79027982729 has 4 divisors (see below), whose sum is σ = 79028606976. Its totient is φ = 79027358484.

The previous prime is 79027982699. The next prime is 79027982741. The reversal of 79027982729 is 92728972097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 79027982729 - 2¹⁶ = 79027917193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79027982749) 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, 47369 + ... + 400374.

It is an arithmetic number, because the mean of its divisors is an integer number (19757151744).

Almost surely, 2^79027982729 is an apocalyptic number.

It is an amenable number.

79027982729 is a deficient number, since it is larger than the sum of its proper divisors (624247).

79027982729 is a wasteful number, since it uses less digits than its factorization.

79027982729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624246.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The spelling of 79027982729 in words is "seventy-nine billion, twenty-seven million, nine hundred eighty-two thousand, seven hundred twenty-nine".