78932259 has 16 divisors (see below), whose sum is σ = 133642240. Its totient is φ = 45104040.

The previous prime is 78932237. The next prime is 78932263. The reversal of 78932259 is 95223987.

It is not a de Polignac number, because 78932259 - 2⁷ = 78932131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78932209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208627 + ... + 209004.

It is an arithmetic number, because the mean of its divisors is an integer number (8352640).

Almost surely, 2^78932259 is an apocalyptic number.

78932259 is a deficient number, since it is larger than the sum of its proper divisors (54709981).

78932259 is a wasteful number, since it uses less digits than its factorization.

78932259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417647 (or 417641 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 78932259 is about 8884.3828710834. The cubic root of 78932259 is about 428.9613638245.

The spelling of 78932259 in words is "seventy-eight million, nine hundred thirty-two thousand, two hundred fifty-nine".