977676 has 48 divisors (see below), whose sum is σ = 2655744. Its totient is φ = 274176.

The previous prime is 977671. The next prime is 977681. The reversal of 977676 is 676779.

It is an interprime number because it is at equal distance from previous prime (977671) and next prime (977681).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (977671) by changing a digit.

977676 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8596 + ... + 8708.

It is an arithmetic number, because the mean of its divisors is an integer number (55328).

2⁹⁷⁷⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 977676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1327872).

977676 is an abundant number, since it is smaller than the sum of its proper divisors (1678068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

977676 is a wasteful number, since it uses less digits than its factorization.

977676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 228 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 977676 is about 988.7749996840. The cubic root of 977676 is about 99.2502596080.

It can be divided in two parts, 977 and 676, that added together give a triangular number (1653 = T₅₇).

The spelling of 977676 in words is "nine hundred seventy-seven thousand, six hundred seventy-six".