769905971 has 2 divisors, whose sum is σ = 769905972. Its totient is φ = 769905970.

The previous prime is 769905923. The next prime is 769906001. The reversal of 769905971 is 179509967.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 769905971 - 2⁶ = 769905907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (769905901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384952985 + 384952986.

It is an arithmetic number, because the mean of its divisors is an integer number (384952986).

Almost surely, 2^769905971 is an apocalyptic number.

769905971 is a deficient number, since it is larger than the sum of its proper divisors (1).

769905971 is an equidigital number, since it uses as much as digits as its factorization.

769905971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The square root of 769905971 is about 27747.1795143218. The cubic root of 769905971 is about 916.5283349311.

The spelling of 769905971 in words is "seven hundred sixty-nine million, nine hundred five thousand, nine hundred seventy-one".