79843455 has 32 divisors (see below), whose sum is σ = 142667520. Its totient is φ = 42366240.

The previous prime is 79843403. The next prime is 79843469. The reversal of 79843455 is 55434897.

It is not a de Polignac number, because 79843455 - 2⁹ = 79842943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79843455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27084 + ... + 29886.

It is an arithmetic number, because the mean of its divisors is an integer number (4458360).

Almost surely, 2^79843455 is an apocalyptic number.

79843455 is a deficient number, since it is larger than the sum of its proper divisors (62824065).

79843455 is a wasteful number, since it uses less digits than its factorization.

79843455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3022 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 79843455 is about 8935.5164931861. The cubic root of 79843455 is about 430.6056995007.

It can be divided in two parts, 798 and 43455, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 79843455 in words is "seventy-nine million, eight hundred forty-three thousand, four hundred fifty-five".