977608097786 has 32 divisors (see below), whose sum is σ = 1509577800192. Its totient is φ = 474538141440.

The previous prime is 977608097743. The next prime is 977608097803. The reversal of 977608097786 is 687790806779.

It is a super-2 number, since 2×977608097786² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15248630 + ... + 15312606.

It is an arithmetic number, because the mean of its divisors is an integer number (47174306256).

Almost surely, 2^977608097786 is an apocalyptic number.

977608097786 is a deficient number, since it is larger than the sum of its proper divisors (531969702406).

977608097786 is a wasteful number, since it uses less digits than its factorization.

977608097786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64934.

The product of its (nonzero) digits is 448084224, while the sum is 74.

The spelling of 977608097786 in words is "nine hundred seventy-seven billion, six hundred eight million, ninety-seven thousand, seven hundred eighty-six".