79568451098 has 4 divisors (see below), whose sum is σ = 119352676650. Its totient is φ = 39784225548.

The previous prime is 79568450911. The next prime is 79568451107. The reversal of 79568451098 is 89015486597.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63724438969 + 15844012129 = 252437^2 + 125873^2 .

It is a super-2 number, since 2×79568451098² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79568451098.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19892112773 + ... + 19892112776.

Almost surely, 2^79568451098 is an apocalyptic number.

79568451098 is a deficient number, since it is larger than the sum of its proper divisors (39784225552).

79568451098 is a wasteful number, since it uses less digits than its factorization.

79568451098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39784225551.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 79568451098 in words is "seventy-nine billion, five hundred sixty-eight million, four hundred fifty-one thousand, ninety-eight".