78065122 has 32 divisors (see below), whose sum is σ = 126904320. Its totient is φ = 35884800.

The previous prime is 78065063. The next prime is 78065149. The reversal of 78065122 is 22156087.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436029 + ... + 436207.

It is an arithmetic number, because the mean of its divisors is an integer number (3965760).

Almost surely, 2^78065122 is an apocalyptic number.

78065122 is a deficient number, since it is larger than the sum of its proper divisors (48839198).

78065122 is a wasteful number, since it uses less digits than its factorization.

78065122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 78065122 is about 8835.4469043733. The cubic root of 78065122 is about 427.3847428191.

It can be divided in two parts, 78065 and 122, that added together give a palindrome (78187).

The spelling of 78065122 in words is "seventy-eight million, sixty-five thousand, one hundred twenty-two".