86216440474 has 32 divisors (see below), whose sum is σ = 141803971920. Its totient is φ = 39131860992.

The previous prime is 86216440433. The next prime is 86216440481. The reversal of 86216440474 is 47404461268.

It can be written as a sum of positive squares in 8 ways, for example, as 55523853225 + 30692587249 = 235635^2 + 175193^2 .

It is a super-3 number, since 3×86216440474³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893782 + ... + 985534.

Almost surely, 2^86216440474 is an apocalyptic number.

86216440474 is a deficient number, since it is larger than the sum of its proper divisors (55587531446).

86216440474 is a wasteful number, since it uses less digits than its factorization.

86216440474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92754.

The product of its (nonzero) digits is 1032192, while the sum is 46.

The spelling of 86216440474 in words is "eighty-six billion, two hundred sixteen million, four hundred forty thousand, four hundred seventy-four".