173082000978 has 24 divisors (see below), whose sum is σ = 378723986316. Its totient is φ = 57122772000.

The previous prime is 173082000977. The next prime is 173082001087. The reversal of 173082000978 is 879000280371.

It can be written as a sum of positive squares in 2 ways, for example, as 165366662409 + 7715338569 = 406653^2 + 87837^2 .

It is not an unprimeable number, because it can be changed into a prime (173082000977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47600493 + ... + 47604128.

Almost surely, 2^173082000978 is an apocalyptic number.

173082000978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

173082000978 is an abundant number, since it is smaller than the sum of its proper divisors (205641985338).

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

173082000978 is a wasteful number, since it uses less digits than its factorization.

173082000978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95204730 (or 95204727 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 173082000978 in words is "one hundred seventy-three billion, eighty-two million, nine hundred seventy-eight", and thus it is an aban number.