78798522 has 32 divisors (see below), whose sum is σ = 172491264. Its totient is φ = 23799600.

The previous prime is 78798509. The next prime is 78798523. The reversal of 78798522 is 22589787.

It is not an unprimeable number, because it can be changed into a prime (78798523) 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, 20043 + ... + 23649.

It is an arithmetic number, because the mean of its divisors is an integer number (5390352).

Almost surely, 2^78798522 is an apocalyptic number.

78798522 is an abundant number, since it is smaller than the sum of its proper divisors (93692742).

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

78798522 is a wasteful number, since it uses less digits than its factorization.

78798522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954.

The product of its digits is 564480, while the sum is 48.

The square root of 78798522 is about 8876.8531586368. The cubic root of 78798522 is about 428.7189600333.

The spelling of 78798522 in words is "seventy-eight million, seven hundred ninety-eight thousand, five hundred twenty-two".