78214538083422 has 64 divisors (see below), whose sum is σ = 171650641397760. Its totient is φ = 23610556305024.

The previous prime is 78214538083421. The next prime is 78214538083427. The reversal of 78214538083422 is 22438083541287.

It is a happy number.

It is a super-2 number, since 2×78214538083422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78214538083421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71333779 + ... + 72421937.

It is an arithmetic number, because the mean of its divisors is an integer number (2682041271840).

Almost surely, 2^{78214538083422} is an apocalyptic number.

78214538083422 is an abundant number, since it is smaller than the sum of its proper divisors (93436103314338).

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

78214538083422 is a wasteful number, since it uses less digits than its factorization.

78214538083422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105617.

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 78214538083422 in words is "seventy-eight trillion, two hundred fourteen billion, five hundred thirty-eight million, eighty-three thousand, four hundred twenty-two".