977316029 has 2 divisors, whose sum is σ = 977316030. Its totient is φ = 977316028.

The previous prime is 977316017. The next prime is 977316047. The reversal of 977316029 is 920613779.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 899400100 + 77915929 = 29990^2 + 8827^2 .

It is an emirp because it is prime and its reverse (920613779) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977316029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (977316049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488658014 + 488658015.

It is an arithmetic number, because the mean of its divisors is an integer number (488658015).

Almost surely, 2^977316029 is an apocalyptic number.

It is an amenable number.

977316029 is a deficient number, since it is larger than the sum of its proper divisors (1).

977316029 is an equidigital number, since it uses as much as digits as its factorization.

977316029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 977316029 is about 31262.0541391637. The cubic root of 977316029 is about 992.3807711235.

The spelling of 977316029 in words is "nine hundred seventy-seven million, three hundred sixteen thousand, twenty-nine".