79772993 has 8 divisors (see below), whose sum is σ = 88138368. Its totient is φ = 71815744.

The previous prime is 79772971. The next prime is 79773011. The reversal of 79772993 is 39927797.

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

It is a cyclic number.

It is not a de Polignac number, because 79772993 - 2¹⁰ = 79771969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79712993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101621 + ... + 102402.

It is an arithmetic number, because the mean of its divisors is an integer number (11017296).

Almost surely, 2^79772993 is an apocalyptic number.

It is an amenable number.

79772993 is a deficient number, since it is larger than the sum of its proper divisors (8365375).

79772993 is a wasteful number, since it uses less digits than its factorization.

79772993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204063.

The product of its digits is 1500282, while the sum is 53.

The square root of 79772993 is about 8931.5728178188. The cubic root of 79772993 is about 430.4789921056.

The spelling of 79772993 in words is "seventy-nine million, seven hundred seventy-two thousand, nine hundred ninety-three".