977013127 has 2 divisors, whose sum is σ = 977013128. Its totient is φ = 977013126.

The previous prime is 977013101. The next prime is 977013133. The reversal of 977013127 is 721310779.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977013127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977010127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488506563 + 488506564.

It is an arithmetic number, because the mean of its divisors is an integer number (488506564).

Almost surely, 2^977013127 is an apocalyptic number.

977013127 is a deficient number, since it is larger than the sum of its proper divisors (1).

977013127 is an equidigital number, since it uses as much as digits as its factorization.

977013127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 37.

The square root of 977013127 is about 31257.2092004389. The cubic root of 977013127 is about 992.2782368454.

The spelling of 977013127 in words is "nine hundred seventy-seven million, thirteen thousand, one hundred twenty-seven".