78008055 has 32 divisors (see below), whose sum is σ = 128148480. Its totient is φ = 40508160.

The previous prime is 78008041. The next prime is 78008083. The reversal of 78008055 is 55080087.

It is not a de Polignac number, because 78008055 - 2⁵ = 78008023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94374 + ... + 95196.

It is an arithmetic number, because the mean of its divisors is an integer number (4004640).

Almost surely, 2^78008055 is an apocalyptic number.

78008055 is a deficient number, since it is larger than the sum of its proper divisors (50140425).

78008055 is a wasteful number, since it uses less digits than its factorization.

78008055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 78008055 is about 8832.2168791306. The cubic root of 78008055 is about 427.2805754694.

The spelling of 78008055 in words is "seventy-eight million, eight thousand, fifty-five".