78981708150 has 96 divisors (see below), whose sum is σ = 218067962400. Its totient is φ = 21020227200.

The previous prime is 78981708149. The next prime is 78981708167. The reversal of 78981708150 is 5180718987.

It is a super-2 number, since 2×78981708150² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 629680 + ... + 744620.

It is an arithmetic number, because the mean of its divisors is an integer number (2271541275).

Almost surely, 2^78981708150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78981708150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109033981200).

78981708150 is an abundant number, since it is smaller than the sum of its proper divisors (139086254250).

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

78981708150 is a wasteful number, since it uses less digits than its factorization.

78981708150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115471 (or 115460 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 54.

The spelling of 78981708150 in words is "seventy-eight billion, nine hundred eighty-one million, seven hundred eight thousand, one hundred fifty".