79480909923 has 4 divisors (see below), whose sum is σ = 105974546568. Its totient is φ = 52987273280.

The previous prime is 79480909919. The next prime is 79480909933. The reversal of 79480909923 is 32990908497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32990908497 = 3 ⋅10996969499.

It is a cyclic number.

It is not a de Polignac number, because 79480909923 - 2² = 79480909919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79480909903) 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, 13246818318 + ... + 13246818323.

It is an arithmetic number, because the mean of its divisors is an integer number (26493636642).

Almost surely, 2^79480909923 is an apocalyptic number.

79480909923 is a deficient number, since it is larger than the sum of its proper divisors (26493636645).

79480909923 is a wasteful number, since it uses less digits than its factorization.

79480909923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26493636644.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 79480909923 in words is "seventy-nine billion, four hundred eighty million, nine hundred nine thousand, nine hundred twenty-three".