86840691270 has 32 divisors (see below), whose sum is σ = 214050571488. Its totient is φ = 22531638528.

The previous prime is 86840691263. The next prime is 86840691271. The reversal of 86840691270 is 7219604868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86840691271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39116319 + ... + 39118538.

It is an arithmetic number, because the mean of its divisors is an integer number (6689080359).

Almost surely, 2^86840691270 is an apocalyptic number.

86840691270 is an abundant number, since it is smaller than the sum of its proper divisors (127209880218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86840691270 is a wasteful number, since it uses less digits than its factorization.

86840691270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78234904.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 86840691270 in words is "eighty-six billion, eight hundred forty million, six hundred ninety-one thousand, two hundred seventy".