7897081059 has 24 divisors (see below), whose sum is σ = 13038784512. Its totient is φ = 4511810160.

The previous prime is 7897080949. The next prime is 7897081067. The reversal of 7897081059 is 9501807987.

It is not a de Polignac number, because 7897081059 - 2¹⁷ = 7896949987 is a prime.

It is a super-2 number, since 2×7897081059² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7897080996 and 7897081014.

It is not an unprimeable number, because it can be changed into a prime (7897081099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 657502 + ... + 669404.

It is an arithmetic number, because the mean of its divisors is an integer number (543282688).

Almost surely, 2^7897081059 is an apocalyptic number.

7897081059 is a deficient number, since it is larger than the sum of its proper divisors (5141703453).

7897081059 is a wasteful number, since it uses less digits than its factorization.

7897081059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447 (or 22444 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The square root of 7897081059 is about 88865.5223300916. The cubic root of 7897081059 is about 1991.3863775948.

The spelling of 7897081059 in words is "seven billion, eight hundred ninety-seven million, eighty-one thousand, fifty-nine".