78116150572 has 6 divisors (see below), whose sum is σ = 136703263508. Its totient is φ = 39058075284.

The previous prime is 78116150569. The next prime is 78116150591. The reversal of 78116150572 is 27505161187.

It is a super-2 number, since 2×78116150572² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9764518818 + ... + 9764518825.

Almost surely, 2^78116150572 is an apocalyptic number.

It is an amenable number.

78116150572 is a deficient number, since it is larger than the sum of its proper divisors (58587112936).

78116150572 is a wasteful number, since it uses less digits than its factorization.

78116150572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529037647 (or 19529037645 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 78116150572 in words is "seventy-eight billion, one hundred sixteen million, one hundred fifty thousand, five hundred seventy-two".