977129204344 has 32 divisors (see below), whose sum is σ = 1851123219120. Its totient is φ = 483496989696.

The previous prime is 977129204341. The next prime is 977129204357. The reversal of 977129204344 is 443402921779.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 977129204291 and 977129204300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977129204341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16517122 + ... + 16576174.

Almost surely, 2^977129204344 is an apocalyptic number.

It is an amenable number.

977129204344 is a deficient number, since it is larger than the sum of its proper divisors (873994014776).

977129204344 is a wasteful number, since it uses less digits than its factorization.

977129204344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80479 (or 80475 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 52.

The spelling of 977129204344 in words is "nine hundred seventy-seven billion, one hundred twenty-nine million, two hundred four thousand, three hundred forty-four".