86868451972 has 12 divisors (see below), whose sum is σ = 160020832720. Its totient is φ = 41148214056.

The previous prime is 86868451961. The next prime is 86868451981. The reversal of 86868451972 is 27915486868.

It is a happy number.

It is a super-2 number, since 2×86868451972² (a number of 23 digits) contains 22 as substring.

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, 571502898 + ... + 571503049.

Almost surely, 2^86868451972 is an apocalyptic number.

It is an amenable number.

86868451972 is a deficient number, since it is larger than the sum of its proper divisors (73152380748).

86868451972 is a wasteful number, since it uses less digits than its factorization.

86868451972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143005970 (or 1143005968 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 64.

The spelling of 86868451972 in words is "eighty-six billion, eight hundred sixty-eight million, four hundred fifty-one thousand, nine hundred seventy-two".