2478790872 has 24 divisors (see below), whose sum is σ = 6713392140. Its totient is φ = 826263600.

The previous prime is 2478790861. The next prime is 2478790877. The reversal of 2478790872 is 2780978742.

2478790872 is a `hidden beast` number, since 2 + 478 + 7 + 90 + 87 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2478790872² = 12288808374221040768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478790877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17213754 + ... + 17213897.

Almost surely, 2^2478790872 is an apocalyptic number.

It is an amenable number.

2478790872 is an abundant number, since it is smaller than the sum of its proper divisors (4234601268).

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

2478790872 is a wasteful number, since it uses less digits than its factorization.

2478790872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34427663 (or 34427656 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 2478790872 is about 49787.4569746236. The cubic root of 2478790872 is about 1353.3598746416.

The spelling of 2478790872 in words is "two billion, four hundred seventy-eight million, seven hundred ninety thousand, eight hundred seventy-two".