79531166098 has 4 divisors (see below), whose sum is σ = 119296749150. Its totient is φ = 39765583048.

The previous prime is 79531166089. The next prime is 79531166107. The reversal of 79531166098 is 89066113597.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89066113597 = 10391 ⋅8571467.

It is an interprime number because it is at equal distance from previous prime (79531166089) and next prime (79531166107).

It can be written as a sum of positive squares in only one way, i.e., 71627422689 + 7903743409 = 267633^2 + 88903^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19882791523 + ... + 19882791526.

Almost surely, 2^79531166098 is an apocalyptic number.

79531166098 is a deficient number, since it is larger than the sum of its proper divisors (39765583052).

79531166098 is a wasteful number, since it uses less digits than its factorization.

79531166098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39765583051.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 79531166098 in words is "seventy-nine billion, five hundred thirty-one million, one hundred sixty-six thousand, ninety-eight".