79436503802 has 8 divisors (see below), whose sum is σ = 119954452500. Its totient is φ = 39451686304.

The previous prime is 79436503793. The next prime is 79436503807. The reversal of 79436503802 is 20830563497.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78595561801 + 840942001 = 280349^2 + 28999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79436503807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133282427 + ... + 133283022.

Almost surely, 2^79436503802 is an apocalyptic number.

79436503802 is a deficient number, since it is larger than the sum of its proper divisors (40517948698).

79436503802 is a wasteful number, since it uses less digits than its factorization.

79436503802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266565600.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 79436503802 in words is "seventy-nine billion, four hundred thirty-six million, five hundred three thousand, eight hundred two".