2818772004 has 12 divisors (see below), whose sum is σ = 6577134704. Its totient is φ = 939590664.

The previous prime is 2818771993. The next prime is 2818772039. The reversal of 2818772004 is 4002778182.

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

It is a super-2 number, since 2×2818772004² = 15890951221068352032, 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, 117448822 + ... + 117448845.

Almost surely, 2^2818772004 is an apocalyptic number.

It is an amenable number.

2818772004 is an abundant number, since it is smaller than the sum of its proper divisors (3758362700).

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

2818772004 is a wasteful number, since it uses less digits than its factorization.

2818772004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234897674 (or 234897672 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 2818772004 is about 53092.1086791625. The cubic root of 2818772004 is about 1412.6025410613.

It can be divided in two parts, 281877 and 2004, that added together give a triangular number (283881 = T₇₅₃).

The spelling of 2818772004 in words is "two billion, eight hundred eighteen million, seven hundred seventy-two thousand, four".