78000099180 has 48 divisors (see below), whose sum is σ = 227895945984. Its totient is φ = 19895677120.

The previous prime is 78000099097. The next prime is 78000099181. The reversal of 78000099180 is 8199000087.

It is not an unprimeable number, because it can be changed into a prime (78000099181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28259526 + ... + 28262285.

It is an arithmetic number, because the mean of its divisors is an integer number (4747832208).

Almost surely, 2^78000099180 is an apocalyptic number.

It is an amenable number.

78000099180 is an abundant number, since it is smaller than the sum of its proper divisors (149895846804).

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

78000099180 is a wasteful number, since it uses less digits than its factorization.

78000099180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56521846 (or 56521844 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 78000099180 in words is "seventy-eight billion, ninety-nine thousand, one hundred eighty".