78108150 has 24 divisors (see below), whose sum is σ = 193708584. Its totient is φ = 20828800.

The previous prime is 78108139. The next prime is 78108179. The reversal of 78108150 is 5180187.

It is a super-2 number, since 2×78108150² = 12201766192845000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 260211 + ... + 260510.

It is an arithmetic number, because the mean of its divisors is an integer number (8071191).

Almost surely, 2^78108150 is an apocalyptic number.

78108150 is an abundant number, since it is smaller than the sum of its proper divisors (115600434).

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

78108150 is a wasteful number, since it uses less digits than its factorization.

78108150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520736 (or 520731 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 78108150 is about 8837.8815334898. The cubic root of 78108150 is about 427.4632504917.

The spelling of 78108150 in words is "seventy-eight million, one hundred eight thousand, one hundred fifty".