86972220402 has 8 divisors (see below), whose sum is σ = 173944440816. Its totient is φ = 28990740132.

The previous prime is 86972220389. The next prime is 86972220427. The reversal of 86972220402 is 20402227968.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

86972220402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7247685028 + ... + 7247685039.

It is an arithmetic number, because the mean of its divisors is an integer number (21743055102).

Almost surely, 2^86972220402 is an apocalyptic number.

86972220402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86972220402 is a wasteful number, since it uses less digits than its factorization.

86972220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14495370072.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 86972220402 in words is "eighty-six billion, nine hundred seventy-two million, two hundred twenty thousand, four hundred two".