972765657605 has 32 divisors (see below), whose sum is σ = 1358529822720. Its totient is φ = 654892338240.

The previous prime is 972765657593. The next prime is 972765657649. The reversal of 972765657605 is 506756567279.

It is not a de Polignac number, because 972765657605 - 2⁶ = 972765657541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225029 + ... + 1412858.

It is an arithmetic number, because the mean of its divisors is an integer number (42454056960).

Almost surely, 2^972765657605 is an apocalyptic number.

It is an amenable number.

972765657605 is a deficient number, since it is larger than the sum of its proper divisors (385764165115).

972765657605 is a wasteful number, since it uses less digits than its factorization.

972765657605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638209.

The product of its (nonzero) digits is 166698000, while the sum is 65.

The spelling of 972765657605 in words is "nine hundred seventy-two billion, seven hundred sixty-five million, six hundred fifty-seven thousand, six hundred five".