977935960440 has 96 divisors (see below), whose sum is σ = 3179300407920. Its totient is φ = 260700171264.

The previous prime is 977935960429. The next prime is 977935960447. The reversal of 977935960440 is 44069539779.

977935960440 is a `hidden beast` number, since 9 + 7 + 79 + 35 + 96 + 0 + 440 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977935960447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709264 + ... + 1568096.

Almost surely, 2^977935960440 is an apocalyptic number.

977935960440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

977935960440 is an abundant number, since it is smaller than the sum of its proper divisors (2201364447480).

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

977935960440 is a wasteful number, since it uses less digits than its factorization.

977935960440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862013 (or 862006 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 977935960440 in words is "nine hundred seventy-seven billion, nine hundred thirty-five million, nine hundred sixty thousand, four hundred forty".