78264414 has 32 divisors (see below), whose sum is σ = 174708000. Its totient is φ = 25970112.

The previous prime is 78264409. The next prime is 78264421. The reversal of 78264414 is 41446287.

78264414 is a `hidden beast` number, since 7 + 8 + 2 + 644 + 1 + 4 = 666.

It is a super-2 number, since 2×78264414² = 12250636997526792, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9202 + ... + 15530.

It is an arithmetic number, because the mean of its divisors is an integer number (5459625).

Almost surely, 2^78264414 is an apocalyptic number.

78264414 is an abundant number, since it is smaller than the sum of its proper divisors (96443586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78264414 is a wasteful number, since it uses less digits than its factorization.

78264414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569 (or 6563 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 78264414 is about 8846.7176964115. The cubic root of 78264414 is about 427.7481231194.

The spelling of 78264414 in words is "seventy-eight million, two hundred sixty-four thousand, four hundred fourteen".