78023180 has 24 divisors (see below), whose sum is σ = 164089968. Its totient is φ = 31163328.

The previous prime is 78023147. The next prime is 78023201. The reversal of 78023180 is 8132087.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13262 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (6837082).

Almost surely, 2^78023180 is an apocalyptic number.

It is an amenable number.

78023180 is an abundant number, since it is smaller than the sum of its proper divisors (86066788).

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

78023180 is a wasteful number, since it uses less digits than its factorization.

78023180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753 (or 5751 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 78023180 is about 8833.0730779271. The cubic root of 78023180 is about 427.3081888617.

The spelling of 78023180 in words is "seventy-eight million, twenty-three thousand, one hundred eighty".