79953667 has 8 divisors (see below), whose sum is σ = 82815840. Its totient is φ = 77098560.

The previous prime is 79953637. The next prime is 79953677. The reversal of 79953667 is 76635997.

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 79953667 - 2¹⁵ = 79920899 is a prime.

It is a super-3 number, since 3×79953667³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79953607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33442 + ... + 35752.

It is an arithmetic number, because the mean of its divisors is an integer number (10351980).

Almost surely, 2^79953667 is an apocalyptic number.

79953667 is a deficient number, since it is larger than the sum of its proper divisors (2862173).

79953667 is a wasteful number, since it uses less digits than its factorization.

79953667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533.

The product of its digits is 2143260, while the sum is 52.

The square root of 79953667 is about 8941.6814414292. The cubic root of 79953667 is about 430.8037374233.

The spelling of 79953667 in words is "seventy-nine million, nine hundred fifty-three thousand, six hundred sixty-seven".