977355828 has 96 divisors (see below), whose sum is σ = 2618179200. Its totient is φ = 315124992.

The previous prime is 977355787. The next prime is 977355923. The reversal of 977355828 is 828553779.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable 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 31 ways as a sum of consecutive naturals, for example, 416683 + ... + 419021.

It is an arithmetic number, because the mean of its divisors is an integer number (27272700).

Almost surely, 2^977355828 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 977355828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309089600).

977355828 is an abundant number, since it is smaller than the sum of its proper divisors (1640823372).

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

977355828 is a wasteful number, since it uses less digits than its factorization.

977355828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2478 (or 2470 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 977355828 is about 31262.6906711499. The cubic root of 977355828 is about 992.3942417665.

The spelling of 977355828 in words is "nine hundred seventy-seven million, three hundred fifty-five thousand, eight hundred twenty-eight".