79121333 has 4 divisors (see below), whose sum is σ = 80961408. Its totient is φ = 77281260.

The previous prime is 79121321. The next prime is 79121347. The reversal of 79121333 is 33312197.

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 79121333 - 2¹⁸ = 78859189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79121296 and 79121305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79121303) 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, 919973 + ... + 920058.

It is an arithmetic number, because the mean of its divisors is an integer number (20240352).

Almost surely, 2^79121333 is an apocalyptic number.

It is an amenable number.

79121333 is a deficient number, since it is larger than the sum of its proper divisors (1840075).

79121333 is a wasteful number, since it uses less digits than its factorization.

79121333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840074.

The product of its digits is 3402, while the sum is 29.

The square root of 79121333 is about 8895.0173130804. The cubic root of 79121333 is about 429.3036014516.

The spelling of 79121333 in words is "seventy-nine million, one hundred twenty-one thousand, three hundred thirty-three".