78620802 has 16 divisors (see below), whose sum is σ = 169337280. Its totient is φ = 24190992.

The previous prime is 78620779. The next prime is 78620809. The reversal of 78620802 is 20802687.

It is not an unprimeable number, because it can be changed into a prime (78620809) 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, 503902 + ... + 504057.

It is an arithmetic number, because the mean of its divisors is an integer number (10583580).

Almost surely, 2^78620802 is an apocalyptic number.

78620802 is an abundant number, since it is smaller than the sum of its proper divisors (90716478).

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

78620802 is a wasteful number, since it uses less digits than its factorization.

78620802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007977.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 78620802 is about 8866.8372038738. The cubic root of 78620802 is about 428.3964104731.

The spelling of 78620802 in words is "seventy-eight million, six hundred twenty thousand, eight hundred two".