78282116290 has 96 divisors (see below), whose sum is σ = 173690210304. Its totient is φ = 25241126400.

The previous prime is 78282116221. The next prime is 78282116293. The reversal of 78282116290 is 9261128287.

It is a super-2 number, since 2×78282116290² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78282116290.

It is not an unprimeable number, because it can be changed into a prime (78282116293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13849965 + ... + 13855615.

It is an arithmetic number, because the mean of its divisors is an integer number (1809273024).

Almost surely, 2^78282116290 is an apocalyptic number.

78282116290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78282116290 is an abundant number, since it is smaller than the sum of its proper divisors (95408094014).

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

78282116290 is a wasteful number, since it uses less digits than its factorization.

78282116290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7345 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 78282116290 in words is "seventy-eight billion, two hundred eighty-two million, one hundred sixteen thousand, two hundred ninety".