977073020975 has 6 divisors (see below), whose sum is σ = 1211570546040. Its totient is φ = 781658416760.

The previous prime is 977073020929. The next prime is 977073020977. The reversal of 977073020975 is 579020370779.

It is a de Polignac number, because none of the positive numbers 2^k-977073020975 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 977073020975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977073020977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19541460395 + ... + 19541460444.

It is an arithmetic number, because the mean of its divisors is an integer number (201928424340).

Almost surely, 2^977073020975 is an apocalyptic number.

977073020975 is a deficient number, since it is larger than the sum of its proper divisors (234497525065).

977073020975 is a wasteful number, since it uses less digits than its factorization.

977073020975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39082920849 (or 39082920844 counting only the distinct ones).

The product of its (nonzero) digits is 5834430, while the sum is 56.

The spelling of 977073020975 in words is "nine hundred seventy-seven billion, seventy-three million, twenty thousand, nine hundred seventy-five".