5078801988 has 36 divisors (see below), whose sum is σ = 13825628908. Its totient is φ = 1562708160.

The previous prime is 5078801977. The next prime is 5078802019. The reversal of 5078801988 is 8891088705.

It can be written as a sum of positive squares in 2 ways, for example, as 1612183104 + 3466618884 = 40152^2 + 58878^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-5 number, since 5×5078801988⁵ (a number of 50 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5425603 + ... + 5426538.

Almost surely, 2^5078801988 is an apocalyptic number.

It is an amenable number.

5078801988 is an abundant number, since it is smaller than the sum of its proper divisors (8746826920).

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

5078801988 is a wasteful number, since it uses less digits than its factorization.

5078801988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10852164 (or 10852159 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 54.

The square root of 5078801988 is about 71265.7139724286. The cubic root of 5078801988 is about 1718.9124624074.

The spelling of 5078801988 in words is "five billion, seventy-eight million, eight hundred one thousand, nine hundred eighty-eight".