79255743513 has 4 divisors (see below), whose sum is σ = 105674324688. Its totient is φ = 52837162340.

The previous prime is 79255743491. The next prime is 79255743629. The reversal of 79255743513 is 31534755297.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 79255743513 - 2⁸ = 79255743257 is a prime.

It is a super-3 number, since 3×79255743513³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (79255743313) 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, 13209290583 + ... + 13209290588.

It is an arithmetic number, because the mean of its divisors is an integer number (26418581172).

Almost surely, 2^79255743513 is an apocalyptic number.

It is an amenable number.

79255743513 is a deficient number, since it is larger than the sum of its proper divisors (26418581175).

79255743513 is a wasteful number, since it uses less digits than its factorization.

79255743513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26418581174.

The product of its digits is 3969000, while the sum is 51.

The spelling of 79255743513 in words is "seventy-nine billion, two hundred fifty-five million, seven hundred forty-three thousand, five hundred thirteen".