15800868484 has 12 divisors (see below), whose sum is σ = 29278079964. Its totient is φ = 7435702784.

The previous prime is 15800868481. The next prime is 15800868497. The reversal of 15800868484 is 48486800851.

It can be written as a sum of positive squares in 2 ways, for example, as 6910264384 + 8890604100 = 83128^2 + 94290^2 .

It is not an unprimeable number, because it can be changed into a prime (15800868481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116182789 + ... + 116182924.

It is an arithmetic number, because the mean of its divisors is an integer number (2439839997).

Almost surely, 2^15800868484 is an apocalyptic number.

It is an amenable number.

15800868484 is a deficient number, since it is larger than the sum of its proper divisors (13477211480).

15800868484 is a wasteful number, since it uses less digits than its factorization.

15800868484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232365734 (or 232365732 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 15800868484 in words is "fifteen billion, eight hundred million, eight hundred sixty-eight thousand, four hundred eighty-four".