78850011522 has 8 divisors (see below), whose sum is σ = 157700023056. Its totient is φ = 26283337172.

The previous prime is 78850011503. The next prime is 78850011523. The reversal of 78850011522 is 22511005887.

It is a sphenic number, since it is the product of 3 distinct primes.

78850011522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (78850011523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6570834288 + ... + 6570834299.

It is an arithmetic number, because the mean of its divisors is an integer number (19712502882).

Almost surely, 2^78850011522 is an apocalyptic number.

78850011522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78850011522 is a wasteful number, since it uses less digits than its factorization.

78850011522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13141668592.

The product of its (nonzero) digits is 44800, while the sum is 39.

The spelling of 78850011522 in words is "seventy-eight billion, eight hundred fifty million, eleven thousand, five hundred twenty-two".