977796 has 36 divisors (see below), whose sum is σ = 2501772. Its totient is φ = 321984.

The previous prime is 977791. The next prime is 977803. The reversal of 977796 is 697779.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 360000 = 786^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (977791) by changing a digit.

977796 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 11 ways as a sum of consecutive naturals, for example, 5566 + ... + 5738.

2⁹⁷⁷⁷⁹⁶ is an apocalyptic number.

It is an amenable number.

977796 is an abundant number, since it is smaller than the sum of its proper divisors (1523976).

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

977796 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (977795) it forms an eRAP, since the sums of their prime factors are consecutive (339 and 340).

977796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 335 counting only the distinct ones).

The product of its digits is 166698, while the sum is 45.

The square root of 977796 is about 988.8356789679. The cubic root of 977796 is about 99.2543201025.

The spelling of 977796 in words is "nine hundred seventy-seven thousand, seven hundred ninety-six".