86970536722 has 4 divisors (see below), whose sum is σ = 130455805086. Its totient is φ = 43485268360.

The previous prime is 86970536717. The next prime is 86970536747. The reversal of 86970536722 is 22763507968.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83035609281 + 3934927441 = 288159^2 + 62729^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21742634179 + ... + 21742634182.

Almost surely, 2^86970536722 is an apocalyptic number.

86970536722 is a deficient number, since it is larger than the sum of its proper divisors (43485268364).

86970536722 is a wasteful number, since it uses less digits than its factorization.

86970536722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43485268363.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 86970536722 in words is "eighty-six billion, nine hundred seventy million, five hundred thirty-six thousand, seven hundred twenty-two".