78887055 has 64 divisors (see below), whose sum is σ = 146966400. Its totient is φ = 35782656.

The previous prime is 78887023. The next prime is 78887063. The reversal of 78887055 is 55078887.

It is not a de Polignac number, because 78887055 - 2⁵ = 78887023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78886995 and 78887013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175471 + ... + 175919.

It is an arithmetic number, because the mean of its divisors is an integer number (2296350).

Almost surely, 2^78887055 is an apocalyptic number.

78887055 is a deficient number, since it is larger than the sum of its proper divisors (68079345).

78887055 is a wasteful number, since it uses less digits than its factorization.

78887055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 627200, while the sum is 48.

The square root of 78887055 is about 8881.8384921141. The cubic root of 78887055 is about 428.8794603773.

The spelling of 78887055 in words is "seventy-eight million, eight hundred eighty-seven thousand, fifty-five".