78715405150 has 24 divisors (see below), whose sum is σ = 155023046640. Its totient is φ = 29634034560.

The previous prime is 78715405141. The next prime is 78715405163. The reversal of 78715405150 is 5150451787.

It is a super-2 number, since 2×78715405150² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78715405097 and 78715405106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46302330 + ... + 46304029.

It is an arithmetic number, because the mean of its divisors is an integer number (6459293610).

Almost surely, 2^78715405150 is an apocalyptic number.

78715405150 is a deficient number, since it is larger than the sum of its proper divisors (76307641490).

78715405150 is a wasteful number, since it uses less digits than its factorization.

78715405150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92606388 (or 92606383 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 43.

The spelling of 78715405150 in words is "seventy-eight billion, seven hundred fifteen million, four hundred five thousand, one hundred fifty".