79791675545 has 8 divisors (see below), whose sum is σ = 95763655680. Its totient is φ = 63824243760.

The previous prime is 79791675499. The next prime is 79791675559. The reversal of 79791675545 is 54557619797.

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

It is not a de Polignac number, because 79791675545 - 2⁸ = 79791675289 is a prime.

It is a super-2 number, since 2×79791675545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098371 + ... + 1168760.

It is an arithmetic number, because the mean of its divisors is an integer number (11970456960).

Almost surely, 2^79791675545 is an apocalyptic number.

It is an amenable number.

79791675545 is a deficient number, since it is larger than the sum of its proper divisors (15971980135).

79791675545 is a wasteful number, since it uses less digits than its factorization.

79791675545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274175.

The product of its digits is 83349000, while the sum is 65.

The spelling of 79791675545 in words is "seventy-nine billion, seven hundred ninety-one million, six hundred seventy-five thousand, five hundred forty-five".