7865271172 has 24 divisors (see below), whose sum is σ = 15164194752. Its totient is φ = 3539724000.

The previous prime is 7865271101. The next prime is 7865271223. The reversal of 7865271172 is 2711725687.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880488 + ... + 889375.

It is an arithmetic number, because the mean of its divisors is an integer number (631841448).

Almost surely, 2^7865271172 is an apocalyptic number.

It is an amenable number.

7865271172 is a deficient number, since it is larger than the sum of its proper divisors (7298923580).

7865271172 is a wasteful number, since it uses less digits than its factorization.

7865271172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769979 (or 1769977 counting only the distinct ones).

The product of its digits is 329280, while the sum is 46.

The square root of 7865271172 is about 88686.3640702448. The cubic root of 7865271172 is about 1988.7089739876.

The spelling of 7865271172 in words is "seven billion, eight hundred sixty-five million, two hundred seventy-one thousand, one hundred seventy-two".