86074342957 has 2 divisors, whose sum is σ = 86074342958. Its totient is φ = 86074342956.

The previous prime is 86074342933. The next prime is 86074342987. The reversal of 86074342957 is 75924347068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79470992836 + 6603350121 = 281906^2 + 81261^2 .

It is a cyclic number.

It is not a de Polignac number, because 86074342957 - 2¹⁹ = 86073818669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86074342898 and 86074342907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86074342987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43037171478 + 43037171479.

It is an arithmetic number, because the mean of its divisors is an integer number (43037171479).

Almost surely, 2^86074342957 is an apocalyptic number.

It is an amenable number.

86074342957 is a deficient number, since it is larger than the sum of its proper divisors (1).

86074342957 is an equidigital number, since it uses as much as digits as its factorization.

86074342957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 86074342957 in words is "eighty-six billion, seventy-four million, three hundred forty-two thousand, nine hundred fifty-seven".