79437300802 has 4 divisors (see below), whose sum is σ = 119155951206. Its totient is φ = 39718650400.

The previous prime is 79437300793. The next prime is 79437300809. The reversal of 79437300802 is 20800373497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20800373497 = 71 ⋅292963007.

It can be written as a sum of positive squares in only one way, i.e., 77818123681 + 1619177121 = 278959^2 + 40239^2 .

It is not an unprimeable number, because it can be changed into a prime (79437300809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19859325199 + ... + 19859325202.

Almost surely, 2^79437300802 is an apocalyptic number.

79437300802 is a deficient number, since it is larger than the sum of its proper divisors (39718650404).

79437300802 is a wasteful number, since it uses less digits than its factorization.

79437300802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39718650403.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 79437300802 in words is "seventy-nine billion, four hundred thirty-seven million, three hundred thousand, eight hundred two".