7865339012 has 24 divisors (see below), whose sum is σ = 13859395200. Its totient is φ = 3905604000.

The previous prime is 7865339011. The next prime is 7865339087. The reversal of 7865339012 is 2109335687.

It is a super-2 number, since 2×7865339012² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7865339011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339173 + ... + 361619.

It is an arithmetic number, because the mean of its divisors is an integer number (577474800).

Almost surely, 2^7865339012 is an apocalyptic number.

It is an amenable number.

7865339012 is a deficient number, since it is larger than the sum of its proper divisors (5994056188).

7865339012 is a wasteful number, since it uses less digits than its factorization.

7865339012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23051 (or 23049 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 7865339012 is about 88686.7465408445. The cubic root of 7865339012 is about 1988.7146916811.

The spelling of 7865339012 in words is "seven billion, eight hundred sixty-five million, three hundred thirty-nine thousand, twelve".