977425507 has 2 divisors, whose sum is σ = 977425508. Its totient is φ = 977425506.

The previous prime is 977425499. The next prime is 977425529. The reversal of 977425507 is 705524779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 977425507 - 2³ = 977425499 is a prime.

It is not a weakly prime, because it can be changed into another prime (977425577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488712753 + 488712754.

It is an arithmetic number, because the mean of its divisors is an integer number (488712754).

Almost surely, 2^977425507 is an apocalyptic number.

977425507 is a deficient number, since it is larger than the sum of its proper divisors (1).

977425507 is an equidigital number, since it uses as much as digits as its factorization.

977425507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 977425507 is about 31263.8050627239. The cubic root of 977425507 is about 992.4178249192.

The spelling of 977425507 in words is "nine hundred seventy-seven million, four hundred twenty-five thousand, five hundred seven".