78225087414137 has 16 divisors (see below), whose sum is σ = 78827360447232. Its totient is φ = 77625817866960.

The previous prime is 78225087414113. The next prime is 78225087414163. The reversal of 78225087414137 is 73141478052287.

It is a cyclic number.

It is not a de Polignac number, because 78225087414137 - 2⁸ = 78225087413881 is a prime.

It is a super-2 number, since 2×78225087414137² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78225087414167) 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, 64059638 + ... + 65269344.

It is an arithmetic number, because the mean of its divisors is an integer number (4926710027952).

Almost surely, 2^{78225087414137} is an apocalyptic number.

It is an amenable number.

78225087414137 is a deficient number, since it is larger than the sum of its proper divisors (602273033095).

78225087414137 is a wasteful number, since it uses less digits than its factorization.

78225087414137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210948.

The product of its (nonzero) digits is 21073920, while the sum is 59.

The spelling of 78225087414137 in words is "seventy-eight trillion, two hundred twenty-five billion, eighty-seven million, four hundred fourteen thousand, one hundred thirty-seven".