78201416 has 32 divisors (see below), whose sum is σ = 154850400. Its totient is φ = 36921600.

The previous prime is 78201379. The next prime is 78201419. The reversal of 78201416 is 61410287.

It is a super-2 number, since 2×78201416² = 12230922928810112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78201419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60311 + ... + 61593.

It is an arithmetic number, because the mean of its divisors is an integer number (4839075).

Almost surely, 2^78201416 is an apocalyptic number.

78201416 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78201416 is a deficient number, since it is larger than the sum of its proper divisors (76648984).

78201416 is a wasteful number, since it uses less digits than its factorization.

78201416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 78201416 is about 8843.1564500466. The cubic root of 78201416 is about 427.6333220733.

The spelling of 78201416 in words is "seventy-eight million, two hundred one thousand, four hundred sixteen".