7865012472 has 32 divisors (see below), whose sum is σ = 20517425280. Its totient is φ = 2507684960.

The previous prime is 7865012471. The next prime is 7865012473. The reversal of 7865012472 is 2742105687.

It is an interprime number because it is at equal distance from previous prime (7865012471) and next prime (7865012473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7865012471) 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, 7123554 + ... + 7124657.

It is an arithmetic number, because the mean of its divisors is an integer number (641169540).

Almost surely, 2^7865012472 is an apocalyptic number.

It is an amenable number.

7865012472 is an abundant number, since it is smaller than the sum of its proper divisors (12652412808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7865012472 is a wasteful number, since it uses less digits than its factorization.

7865012472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248243 (or 14248239 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 7865012472 is about 88684.9055476748. The cubic root of 7865012472 is about 1988.6871699226.

The spelling of 7865012472 in words is "seven billion, eight hundred sixty-five million, twelve thousand, four hundred seventy-two".