78628158192 has 80 divisors (see below), whose sum is σ = 219647227392. Its totient is φ = 24142801920.

The previous prime is 78628158143. The next prime is 78628158199. The reversal of 78628158192 is 29185182687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78628158199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986734 + ... + 1063437.

Almost surely, 2^78628158192 is an apocalyptic number.

It is an amenable number.

78628158192 is an abundant number, since it is smaller than the sum of its proper divisors (141019069200).

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

78628158192 is a wasteful number, since it uses less digits than its factorization.

78628158192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050246 (or 2050240 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 57.

The spelling of 78628158192 in words is "seventy-eight billion, six hundred twenty-eight million, one hundred fifty-eight thousand, one hundred ninety-two".