76428607097 has 2 divisors, whose sum is σ = 76428607098. Its totient is φ = 76428607096.

The previous prime is 76428607069. The next prime is 76428607169. The reversal of 76428607097 is 79070682467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75847363216 + 581243881 = 275404^2 + 24109^2 .

It is a cyclic number.

It is not a de Polignac number, because 76428607097 - 2²² = 76424412793 is a prime.

It is not a weakly prime, because it can be changed into another prime (76428607027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38214303548 + 38214303549.

It is an arithmetic number, because the mean of its divisors is an integer number (38214303549).

Almost surely, 2^76428607097 is an apocalyptic number.

It is an amenable number.

76428607097 is a deficient number, since it is larger than the sum of its proper divisors (1).

76428607097 is an equidigital number, since it uses as much as digits as its factorization.

76428607097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 76428607097 in words is "seventy-six billion, four hundred twenty-eight million, six hundred seven thousand, ninety-seven".