78136212282 has 16 divisors (see below), whose sum is σ = 157502917632. Its totient is φ = 25840321920.

The previous prime is 78136212281. The next prime is 78136212307. The reversal of 78136212282 is 28221263187.

It is a super-2 number, since 2×78136212282² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78136212281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51269719 + ... + 51271242.

It is an arithmetic number, because the mean of its divisors is an integer number (9843932352).

Almost surely, 2^78136212282 is an apocalyptic number.

78136212282 is an abundant number, since it is smaller than the sum of its proper divisors (79366705350).

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

78136212282 is a wasteful number, since it uses less digits than its factorization.

78136212282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102541093.

The product of its digits is 129024, while the sum is 42.

The spelling of 78136212282 in words is "seventy-eight billion, one hundred thirty-six million, two hundred twelve thousand, two hundred eighty-two".