1579097898 has 48 divisors (see below), whose sum is σ = 3913116480. Its totient is φ = 450828288.

The previous prime is 1579097851. The next prime is 1579097957. The reversal of 1579097898 is 8987909751.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194986 + ... + 202922.

It is an arithmetic number, because the mean of its divisors is an integer number (81523260).

Almost surely, 2^1579097898 is an apocalyptic number.

1579097898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1579097898 is an abundant number, since it is smaller than the sum of its proper divisors (2334018582).

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

1579097898 is a wasteful number, since it uses less digits than its factorization.

1579097898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9531 (or 9528 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 63.

The square root of 1579097898 is about 39737.8647891403. The cubic root of 1579097898 is about 1164.4915777162.

The spelling of 1579097898 in words is "one billion, five hundred seventy-nine million, ninety-seven thousand, eight hundred ninety-eight".