78342870152 has 64 divisors (see below), whose sum is σ = 150600384000. Its totient is φ = 38198324736.

The previous prime is 78342870139. The next prime is 78342870209. The reversal of 78342870152 is 25107824387.

It is a super-2 number, since 2×78342870152² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78342870097 and 78342870106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17614793 + ... + 17619239.

It is an arithmetic number, because the mean of its divisors is an integer number (2353131000).

Almost surely, 2^78342870152 is an apocalyptic number.

It is an amenable number.

78342870152 is a deficient number, since it is larger than the sum of its proper divisors (72257513848).

78342870152 is a wasteful number, since it uses less digits than its factorization.

78342870152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878 (or 4874 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 78342870152 in words is "seventy-eight billion, three hundred forty-two million, eight hundred seventy thousand, one hundred fifty-two".