78412059 has 12 divisors (see below), whose sum is σ = 123558552. Its totient is φ = 47522400.

The previous prime is 78412021. The next prime is 78412067. The reversal of 78412059 is 95021487.

It is not a de Polignac number, because 78412059 - 2¹⁵ = 78379291 is a prime.

It is a super-2 number, since 2×78412059² = 12296901993238962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78412099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395922 + ... + 396119.

It is an arithmetic number, because the mean of its divisors is an integer number (10296546).

Almost surely, 2^78412059 is an apocalyptic number.

78412059 is a deficient number, since it is larger than the sum of its proper divisors (45146493).

78412059 is a wasteful number, since it uses less digits than its factorization.

78412059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792058 (or 792055 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 78412059 is about 8855.0583849007. The cubic root of 78412059 is about 428.0169349429.

The spelling of 78412059 in words is "seventy-eight million, four hundred twelve thousand, fifty-nine".