78973827000 has 128 divisors (see below), whose sum is σ = 247316846400. Its totient is φ = 20981184000.

The previous prime is 78973826983. The next prime is 78973827001. The reversal of 78973827000 is 72837987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78973827001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758070 + ... + 855930.

Almost surely, 2^78973827000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78973827000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123658423200).

78973827000 is an abundant number, since it is smaller than the sum of its proper divisors (168343019400).

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

78973827000 is a wasteful number, since it uses less digits than its factorization.

78973827000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98154 (or 98140 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 51.

The spelling of 78973827000 in words is "seventy-eight billion, nine hundred seventy-three million, eight hundred twenty-seven thousand".