86042858 has 12 divisors (see below), whose sum is σ = 141864450. Its totient is φ = 39110280.

The previous prime is 86042851. The next prime is 86042861. The reversal of 86042858 is 85824068.

It can be written as a sum of positive squares in only one way, i.e., 72301009 + 13741849 = 8503^2 + 3707^2 .

It is not an unprimeable number, because it can be changed into a prime (86042851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177533 + ... + 178016.

Almost surely, 2^86042858 is an apocalyptic number.

86042858 is a deficient number, since it is larger than the sum of its proper divisors (55821592).

86042858 is a wasteful number, since it uses less digits than its factorization.

86042858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355573 (or 355562 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 86042858 is about 9275.9289561747. The cubic root of 86042858 is about 441.4738078753.

The spelling of 86042858 in words is "eighty-six million, forty-two thousand, eight hundred fifty-eight".