15798404770 has 16 divisors (see below), whose sum is σ = 28489125888. Its totient is φ = 6307806960.

The previous prime is 15798404717. The next prime is 15798404789. The reversal of 15798404770 is 7740489751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438626 + ... + 1449565.

It is an arithmetic number, because the mean of its divisors is an integer number (1780570368).

Almost surely, 2^15798404770 is an apocalyptic number.

15798404770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15798404770 is a deficient number, since it is larger than the sum of its proper divisors (12690721118).

15798404770 is a wasteful number, since it uses less digits than its factorization.

15798404770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888745.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The spelling of 15798404770 in words is "fifteen billion, seven hundred ninety-eight million, four hundred four thousand, seven hundred seventy".