7182977872 has 40 divisors (see below), whose sum is σ = 15994065600. Its totient is φ = 3061212672.

The previous prime is 7182977827. The next prime is 7182977881. The reversal of 7182977872 is 2787792817.

It is a super-2 number, since 2×7182977872² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 159097 + ... + 199192.

It is an arithmetic number, because the mean of its divisors is an integer number (399851640).

Almost surely, 2^7182977872 is an apocalyptic number.

It is an amenable number.

7182977872 is an abundant number, since it is smaller than the sum of its proper divisors (8811087728).

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

7182977872 is a wasteful number, since it uses less digits than its factorization.

7182977872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358483 (or 358477 counting only the distinct ones).

The product of its digits is 5531904, while the sum is 58.

The square root of 7182977872 is about 84752.4505368429. The cubic root of 7182977872 is about 1929.4558384273.

The spelling of 7182977872 in words is "seven billion, one hundred eighty-two million, nine hundred seventy-seven thousand, eight hundred seventy-two".