977990053 has 8 divisors (see below), whose sum is σ = 999257472. Its totient is φ = 956741856.

The previous prime is 977990029. The next prime is 977990129. The reversal of 977990053 is 350099779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 977990053 - 2²¹ = 975892901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 977989979 and 977990006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977990023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154201 + ... + 160417.

It is an arithmetic number, because the mean of its divisors is an integer number (124907184).

Almost surely, 2^977990053 is an apocalyptic number.

It is an amenable number.

977990053 is a deficient number, since it is larger than the sum of its proper divisors (21267419).

977990053 is a wasteful number, since it uses less digits than its factorization.

977990053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9611.

The product of its (nonzero) digits is 535815, while the sum is 49.

The square root of 977990053 is about 31272.8325068261. The cubic root of 977990053 is about 992.6088565893.

The spelling of 977990053 in words is "nine hundred seventy-seven million, nine hundred ninety thousand, fifty-three".