4778002864 has 20 divisors (see below), whose sum is σ = 9801932904. Its totient is φ = 2248471808.

The previous prime is 4778002829. The next prime is 4778002877. The reversal of 4778002864 is 4682008774.

It is a super-2 number, since 2×4778002864² = 45658622736784404992, which contains 22 as substring.

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, 8782822 + ... + 8783365.

Almost surely, 2^4778002864 is an apocalyptic number.

It is an amenable number.

4778002864 is an abundant number, since it is smaller than the sum of its proper divisors (5023930040).

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

4778002864 is a wasteful number, since it uses less digits than its factorization.

4778002864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17566212 (or 17566206 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 4778002864 is about 69123.0993518086. The cubic root of 4778002864 is about 1684.2845643880.

The spelling of 4778002864 in words is "four billion, seven hundred seventy-eight million, two thousand, eight hundred sixty-four".