78225087414140 has 24 divisors (see below), whose sum is σ = 164308110265152. Its totient is φ = 31283287023680.

The previous prime is 78225087414113. The next prime is 78225087414163. The reversal of 78225087414140 is 4141478052287.

It is a super-2 number, since 2×78225087414140² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421651316 + ... + 421836795.

It is an arithmetic number, because the mean of its divisors is an integer number (6846171261048).

Almost surely, 2^{78225087414140} is an apocalyptic number.

It is an amenable number.

78225087414140 is an abundant number, since it is smaller than the sum of its proper divisors (86083022851012).

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

78225087414140 is a wasteful number, since it uses less digits than its factorization.

78225087414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843492757 (or 843492755 counting only the distinct ones).

The product of its (nonzero) digits is 4014080, while the sum is 53.

The spelling of 78225087414140 in words is "seventy-eight trillion, two hundred twenty-five billion, eighty-seven million, four hundred fourteen thousand, one hundred forty".