7897627854 has 48 divisors (see below), whose sum is σ = 17235504000. Its totient is φ = 2613519888.

The previous prime is 7897627853. The next prime is 7897627877. The reversal of 7897627854 is 4587267987.

It is a junction number, because it is equal to n+sod(n) for n = 7897627791 and 7897627800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897627853) 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, 2392297 + ... + 2395595.

It is an arithmetic number, because the mean of its divisors is an integer number (359073000).

Almost surely, 2^7897627854 is an apocalyptic number.

7897627854 is an abundant number, since it is smaller than the sum of its proper divisors (9337876146).

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

7897627854 is a wasteful number, since it uses less digits than its factorization.

7897627854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229 (or 4226 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The square root of 7897627854 is about 88868.5988074528. The cubic root of 7897627854 is about 1991.4323378247.

The spelling of 7897627854 in words is "seven billion, eight hundred ninety-seven million, six hundred twenty-seven thousand, eight hundred fifty-four".