78893403152 has 20 divisors (see below), whose sum is σ = 152867168256. Its totient is φ = 39443811360.

The previous prime is 78893403139. The next prime is 78893403161. The reversal of 78893403152 is 25130439887.

It is a self number, because there is not a number n which added to its sum of digits gives 78893403152.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53777 + ... + 400847.

Almost surely, 2^78893403152 is an apocalyptic number.

It is an amenable number.

78893403152 is a deficient number, since it is larger than the sum of its proper divisors (73973765104).

78893403152 is a wasteful number, since it uses less digits than its factorization.

78893403152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361286 (or 361280 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 78893403152 in words is "seventy-eight billion, eight hundred ninety-three million, four hundred three thousand, one hundred fifty-two".