7408208868 has 12 divisors (see below), whose sum is σ = 17285820720. Its totient is φ = 2469402952.

The previous prime is 7408208749. The next prime is 7408208933. The reversal of 7408208868 is 8688028047.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7408208868.

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, 308675358 + ... + 308675381.

It is an arithmetic number, because the mean of its divisors is an integer number (1440485060).

Almost surely, 2^7408208868 is an apocalyptic number.

It is an amenable number.

7408208868 is an abundant number, since it is smaller than the sum of its proper divisors (9877611852).

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

7408208868 is a wasteful number, since it uses less digits than its factorization.

7408208868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617350746 (or 617350744 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 51.

The square root of 7408208868 is about 86070.9525217422. The cubic root of 7408208868 is about 1949.4154608228.

The spelling of 7408208868 in words is "seven billion, four hundred eight million, two hundred eight thousand, eight hundred sixty-eight".