79452193977634 has 16 divisors (see below), whose sum is σ = 121488482602872. Its totient is φ = 38956792920448.

The previous prime is 79452193977589. The next prime is 79452193977719. The reversal of 79452193977634 is 43677939125497.

It can be written as a sum of positive squares in 4 ways, for example, as 42957341014225 + 36494852963409 = 6554185^2 + 6041097^2 .

It is a super-2 number, since 2×79452193977634² (a number of 29 digits) contains 22 as substring.

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, 189742459 + ... + 190160734.

Almost surely, 2^{79452193977634} is an apocalyptic number.

79452193977634 is a deficient number, since it is larger than the sum of its proper divisors (42036288625238).

79452193977634 is a wasteful number, since it uses less digits than its factorization.

79452193977634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379905221.

The product of its digits is 2160406080, while the sum is 76.

The spelling of 79452193977634 in words is "seventy-nine trillion, four hundred fifty-two billion, one hundred ninety-three million, nine hundred seventy-seven thousand, six hundred thirty-four".