977337868816 has 75 divisors (see below), whose sum is σ = 1953752517343. Its totient is φ = 473620404320.

The previous prime is 977337868811. The next prime is 977337868831. The reversal of 977337868816 is 618868733779.

The square root of 977337868816 is 988604.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (977337868811) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13765322061 + ... + 13765322131.

Almost surely, 2^977337868816 is an apocalyptic number.

977337868816 is the 988604-th square number.

It is an amenable number.

977337868816 is a deficient number, since it is larger than the sum of its proper divisors (976414648527).

977337868816 is an frugal number, since it uses more digits than its factorization.

977337868816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 132 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 73.

The spelling of 977337868816 in words is "nine hundred seventy-seven billion, three hundred thirty-seven million, eight hundred sixty-eight thousand, eight hundred sixteen".