86470357 has 2 divisors, whose sum is σ = 86470358. Its totient is φ = 86470356.

The previous prime is 86470337. The next prime is 86470379. The reversal of 86470357 is 75307468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 16597476 = 8359^2 + 4074^2 .

It is a cyclic number.

It is not a de Polignac number, because 86470357 - 2⁷ = 86470229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86470337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43235178 + 43235179.

It is an arithmetic number, because the mean of its divisors is an integer number (43235179).

Almost surely, 2^86470357 is an apocalyptic number.

It is an amenable number.

86470357 is a deficient number, since it is larger than the sum of its proper divisors (1).

86470357 is an equidigital number, since it uses as much as digits as its factorization.

86470357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 86470357 is about 9298.9438647623. The cubic root of 86470357 is about 442.2037460774.

The spelling of 86470357 in words is "eighty-six million, four hundred seventy thousand, three hundred fifty-seven".