86264190278 has 32 divisors (see below), whose sum is σ = 156609142848. Its totient is φ = 34789248000.

The previous prime is 86264190263. The next prime is 86264190293. The reversal of 86264190278 is 87209146268.

It is an interprime number because it is at equal distance from previous prime (86264190263) and next prime (86264190293).

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1393178 + ... + 1453778.

It is an arithmetic number, because the mean of its divisors is an integer number (4894035714).

Almost surely, 2^86264190278 is an apocalyptic number.

86264190278 is a deficient number, since it is larger than the sum of its proper divisors (70344952570).

86264190278 is a wasteful number, since it uses less digits than its factorization.

86264190278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66608.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 86264190278 in words is "eighty-six billion, two hundred sixty-four million, one hundred ninety thousand, two hundred seventy-eight".