78025300050 has 48 divisors (see below), whose sum is σ = 201915915840. Its totient is φ = 19902104640.

The previous prime is 78025300037. The next prime is 78025300057. The reversal of 78025300050 is 5000352087.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 78025299990 and 78025300017.

It is not an unprimeable number, because it can be changed into a prime (78025300057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11304565 + ... + 11311464.

It is an arithmetic number, because the mean of its divisors is an integer number (4206581580).

Almost surely, 2^78025300050 is an apocalyptic number.

78025300050 is an abundant number, since it is smaller than the sum of its proper divisors (123890615790).

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

78025300050 is a wasteful number, since it uses less digits than its factorization.

78025300050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616067 (or 22616062 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 78025300050 in words is "seventy-eight billion, twenty-five million, three hundred thousand, fifty".