78804550100 has 36 divisors (see below), whose sum is σ = 180006187200. Its totient is φ = 29862776160.

The previous prime is 78804550079. The next prime is 78804550177. The reversal of 78804550100 is 105540887.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20736140 + ... + 20739939.

Almost surely, 2^78804550100 is an apocalyptic number.

It is an amenable number.

78804550100 is an abundant number, since it is smaller than the sum of its proper divisors (101201637100).

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

78804550100 is a wasteful number, since it uses less digits than its factorization.

78804550100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41476112 (or 41476105 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 78804550100 in words is "seventy-eight billion, eight hundred four million, five hundred fifty thousand, one hundred".