86477497 has 2 divisors, whose sum is σ = 86477498. Its totient is φ = 86477496.

The previous prime is 86477477. The next prime is 86477533. The reversal of 86477497 is 79477468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79138816 + 7338681 = 8896^2 + 2709^2 .

It is a cyclic number.

It is not a de Polignac number, because 86477497 - 2¹¹ = 86475449 is a prime.

It is not a weakly prime, because it can be changed into another prime (86477407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43238748 + 43238749.

It is an arithmetic number, because the mean of its divisors is an integer number (43238749).

Almost surely, 2^86477497 is an apocalyptic number.

It is an amenable number.

86477497 is a deficient number, since it is larger than the sum of its proper divisors (1).

86477497 is an equidigital number, since it uses as much as digits as its factorization.

86477497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 86477497 is about 9299.3277714037. The cubic root of 86477497 is about 442.2159169067.

The spelling of 86477497 in words is "eighty-six million, four hundred seventy-seven thousand, four hundred ninety-seven".