862066172 has 12 divisors (see below), whose sum is σ = 1645762776. Its totient is φ = 391848240.

The previous prime is 862066159. The next prime is 862066181. The reversal of 862066172 is 271660268.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 9796163 + ... + 9796250.

It is an arithmetic number, because the mean of its divisors is an integer number (137146898).

Almost surely, 2^862066172 is an apocalyptic number.

It is an amenable number.

862066172 is a deficient number, since it is larger than the sum of its proper divisors (783696604).

862066172 is a wasteful number, since it uses less digits than its factorization.

862066172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592428 (or 19592426 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 862066172 is about 29360.9634038122. The cubic root of 862066172 is about 951.7295076330.

The spelling of 862066172 in words is "eight hundred sixty-two million, sixty-six thousand, one hundred seventy-two".