78713208 has 240 divisors, whose sum is σ = 267327720. Its totient is φ = 21555072.

The previous prime is 78713197. The next prime is 78713231. The reversal of 78713208 is 80231787.

It is a super-2 number, since 2×78713208² = 12391538227302528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1174791 + ... + 1174857.

Almost surely, 2^78713208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78713208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133663860).

78713208 is an abundant number, since it is smaller than the sum of its proper divisors (188614512).

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

78713208 is a wasteful number, since it uses less digits than its factorization.

78713208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 78713208 is about 8872.0464381111. The cubic root of 78713208 is about 428.5641815917.

The spelling of 78713208 in words is "seventy-eight million, seven hundred thirteen thousand, two hundred eight".