78880415452 has 12 divisors (see below), whose sum is σ = 141407574336. Its totient is φ = 38478251360.

The previous prime is 78880415441. The next prime is 78880415473. The reversal of 78880415452 is 25451408887.

It is a self number, because there is not a number n which added to its sum of digits gives 78880415452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240488908 + ... + 240489235.

It is an arithmetic number, because the mean of its divisors is an integer number (11783964528).

Almost surely, 2^78880415452 is an apocalyptic number.

It is an amenable number.

78880415452 is a deficient number, since it is larger than the sum of its proper divisors (62527158884).

78880415452 is a wasteful number, since it uses less digits than its factorization.

78880415452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480978188 (or 480978186 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 78880415452 in words is "seventy-eight billion, eight hundred eighty million, four hundred fifteen thousand, four hundred fifty-two".