78960090 has 32 divisors (see below), whose sum is σ = 206732736. Its totient is φ = 19141760.

The previous prime is 78960073. The next prime is 78960097. The reversal of 78960090 is 9006987.

It is not an unprimeable number, because it can be changed into a prime (78960097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119307 + ... + 119966.

It is an arithmetic number, because the mean of its divisors is an integer number (6460398).

Almost surely, 2^78960090 is an apocalyptic number.

78960090 is an abundant number, since it is smaller than the sum of its proper divisors (127772646).

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

78960090 is a wasteful number, since it uses less digits than its factorization.

78960090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239294.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 78960090 is about 8885.9490207856. The cubic root of 78960090 is about 429.0117742271.

The spelling of 78960090 in words is "seventy-eight million, nine hundred sixty thousand, ninety".