86474933 has 2 divisors, whose sum is σ = 86474934. Its totient is φ = 86474932.

The previous prime is 86474879. The next prime is 86474951. The reversal of 86474933 is 33947468.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75030244 + 11444689 = 8662^2 + 3383^2 .

It is a cyclic number.

It is not a de Polignac number, because 86474933 - 2¹⁰ = 86473909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86474953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43237466 + 43237467.

It is an arithmetic number, because the mean of its divisors is an integer number (43237467).

Almost surely, 2^86474933 is an apocalyptic number.

It is an amenable number.

86474933 is a deficient number, since it is larger than the sum of its proper divisors (1).

86474933 is an equidigital number, since it uses as much as digits as its factorization.

86474933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 44.

The square root of 86474933 is about 9299.1899109546. The cubic root of 86474933 is about 442.2115463947.

The spelling of 86474933 in words is "eighty-six million, four hundred seventy-four thousand, nine hundred thirty-three".