7478254864 has 20 divisors (see below), whose sum is σ = 14490947520. Its totient is φ = 3738655520.

The previous prime is 7478254813. The next prime is 7478254873. The reversal of 7478254864 is 4684528747.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126117 + ... + 175675.

It is an arithmetic number, because the mean of its divisors is an integer number (724547376).

Almost surely, 2^7478254864 is an apocalyptic number.

It is an amenable number.

7478254864 is a deficient number, since it is larger than the sum of its proper divisors (7012692656).

7478254864 is a wasteful number, since it uses less digits than its factorization.

7478254864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58998 (or 58992 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 55.

The square root of 7478254864 is about 86476.9036448461. The cubic root of 7478254864 is about 1955.5402264658.

The spelling of 7478254864 in words is "seven billion, four hundred seventy-eight million, two hundred fifty-four thousand, eight hundred sixty-four".