79770499601 has 4 divisors (see below), whose sum is σ = 85906691892. Its totient is φ = 73634307312.

The previous prime is 79770499583. The next prime is 79770499619. The reversal of 79770499601 is 10699407797.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (79770499583) and next prime (79770499619).

It can be written as a sum of positive squares in 2 ways, for example, as 7476196225 + 72294303376 = 86465^2 + 268876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79770499601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79770499621) 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, 3068096126 + ... + 3068096151.

It is an arithmetic number, because the mean of its divisors is an integer number (21476672973).

Almost surely, 2^79770499601 is an apocalyptic number.

It is an amenable number.

79770499601 is a deficient number, since it is larger than the sum of its proper divisors (6136192291).

79770499601 is a wasteful number, since it uses less digits than its factorization.

79770499601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136192290.

The product of its (nonzero) digits is 6001128, while the sum is 59.

The spelling of 79770499601 in words is "seventy-nine billion, seven hundred seventy million, four hundred ninety-nine thousand, six hundred one".