977340667 has 2 divisors, whose sum is σ = 977340668. Its totient is φ = 977340666.

The previous prime is 977340653. The next prime is 977340673. The reversal of 977340667 is 766043779.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977340667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 977340667.

It is not a weakly prime, because it can be changed into another prime (977340167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488670333 + 488670334.

It is an arithmetic number, because the mean of its divisors is an integer number (488670334).

Almost surely, 2^977340667 is an apocalyptic number.

977340667 is a deficient number, since it is larger than the sum of its proper divisors (1).

977340667 is an equidigital number, since it uses as much as digits as its factorization.

977340667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 977340667 is about 31262.4481926800. The cubic root of 977340667 is about 992.3891103134.

The spelling of 977340667 in words is "nine hundred seventy-seven million, three hundred forty thousand, six hundred sixty-seven".