76929971 has 2 divisors, whose sum is σ = 76929972. Its totient is φ = 76929970.

The previous prime is 76929959. The next prime is 76929989. The reversal of 76929971 is 17992967.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76929971 - 2²⁶ = 9821107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76929901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38464985 + 38464986.

It is an arithmetic number, because the mean of its divisors is an integer number (38464986).

Almost surely, 2^76929971 is an apocalyptic number.

76929971 is a deficient number, since it is larger than the sum of its proper divisors (1).

76929971 is an equidigital number, since it uses as much as digits as its factorization.

76929971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 50.

The square root of 76929971 is about 8770.9732071190. The cubic root of 76929971 is about 425.3030751697.

The spelling of 76929971 in words is "seventy-six million, nine hundred twenty-nine thousand, nine hundred seventy-one".