7153912872 has 80 divisors (see below), whose sum is σ = 20050167060. Its totient is φ = 2383140096.

The previous prime is 7153912867. The next prime is 7153912877. The reversal of 7153912872 is 2782193517.

It is an interprime number because it is at equal distance from previous prime (7153912867) and next prime (7153912877).

It can be written as a sum of positive squares in 2 ways, for example, as 7075164996 + 78747876 = 84114^2 + 8874^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (7153912877) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1602868 + ... + 1607324.

Almost surely, 2^7153912872 is an apocalyptic number.

7153912872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7153912872 is an abundant number, since it is smaller than the sum of its proper divisors (12896254188).

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

7153912872 is a wasteful number, since it uses less digits than its factorization.

7153912872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952 (or 6939 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 7153912872 is about 84580.8067589805. The cubic root of 7153912872 is about 1926.8498884009.

The spelling of 7153912872 in words is "seven billion, one hundred fifty-three million, nine hundred twelve thousand, eight hundred seventy-two".