78479535 has 16 divisors (see below), whose sum is σ = 128630880. Its totient is φ = 40834560.

The previous prime is 78479521. The next prime is 78479537. The reversal of 78479535 is 53597487.

It is not a de Polignac number, because 78479535 - 2⁵ = 78479503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78479537) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63190 + ... + 64419.

It is an arithmetic number, because the mean of its divisors is an integer number (8039430).

Almost surely, 2^78479535 is an apocalyptic number.

78479535 is a deficient number, since it is larger than the sum of its proper divisors (50151345).

78479535 is a wasteful number, since it uses less digits than its factorization.

78479535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127658.

The product of its digits is 1058400, while the sum is 48.

The square root of 78479535 is about 8858.8675912895. The cubic root of 78479535 is about 428.1396736761.

The spelling of 78479535 in words is "seventy-eight million, four hundred seventy-nine thousand, five hundred thirty-five".