78898836055 has 48 divisors (see below), whose sum is σ = 105002487072. Its totient is φ = 56574489600.

The previous prime is 78898836047. The next prime is 78898836059. The reversal of 78898836055 is 55063889887.

It is not a de Polignac number, because 78898836055 - 2³ = 78898836047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78898836059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24801565 + ... + 24804745.

It is an arithmetic number, because the mean of its divisors is an integer number (2187551814).

Almost surely, 2^78898836055 is an apocalyptic number.

78898836055 is a deficient number, since it is larger than the sum of its proper divisors (26103651017).

78898836055 is a wasteful number, since it uses less digits than its factorization.

78898836055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 116121600, while the sum is 67.

The spelling of 78898836055 in words is "seventy-eight billion, eight hundred ninety-eight million, eight hundred thirty-six thousand, fifty-five".