977868707 has 2 divisors, whose sum is σ = 977868708. Its totient is φ = 977868706.

The previous prime is 977868677. The next prime is 977868791. The reversal of 977868707 is 707868779.

977868707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-977868707 is a prime.

It is not a weakly prime, because it can be changed into another prime (977868007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488934353 + 488934354.

It is an arithmetic number, because the mean of its divisors is an integer number (488934354).

Almost surely, 2^977868707 is an apocalyptic number.

977868707 is a deficient number, since it is larger than the sum of its proper divisors (1).

977868707 is an equidigital number, since it uses as much as digits as its factorization.

977868707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8297856, while the sum is 59.

The square root of 977868707 is about 31270.8923281700. The cubic root of 977868707 is about 992.5678016059.

The spelling of 977868707 in words is "nine hundred seventy-seven million, eight hundred sixty-eight thousand, seven hundred seven".