1979522798 has 16 divisors (see below), whose sum is σ = 3253129776. Its totient is φ = 895919040.

The previous prime is 1979522749. The next prime is 1979522801. The reversal of 1979522798 is 8972259791.

It is a congruent number.

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, 187961 + ... + 198212.

It is an arithmetic number, because the mean of its divisors is an integer number (203320611).

Almost surely, 2^1979522798 is an apocalyptic number.

1979522798 is a deficient number, since it is larger than the sum of its proper divisors (1273606978).

1979522798 is a wasteful number, since it uses less digits than its factorization.

1979522798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386419.

The product of its digits is 5715360, while the sum is 59.

The square root of 1979522798 is about 44491.8284407373. The cubic root of 1979522798 is about 1255.6063477397.

The spelling of 1979522798 in words is "one billion, nine hundred seventy-nine million, five hundred twenty-two thousand, seven hundred ninety-eight".