977376437445 has 16 divisors (see below), whose sum is σ = 1631793704832. Its totient is φ = 498603631680.

The previous prime is 977376437441. The next prime is 977376437447. The reversal of 977376437445 is 544734673779.

It is a happy number.

It is not a de Polignac number, because 977376437445 - 2² = 977376437441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977376437441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1416487246 + ... + 1416487935.

It is an arithmetic number, because the mean of its divisors is an integer number (101987106552).

Almost surely, 2^977376437445 is an apocalyptic number.

It is an amenable number.

977376437445 is a deficient number, since it is larger than the sum of its proper divisors (654417267387).

977376437445 is a wasteful number, since it uses less digits than its factorization.

977376437445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832975212.

The product of its digits is 373403520, while the sum is 66.

The spelling of 977376437445 in words is "nine hundred seventy-seven billion, three hundred seventy-six million, four hundred thirty-seven thousand, four hundred forty-five".