78001601000 has 64 divisors (see below), whose sum is σ = 185248140480. Its totient is φ = 30734932800.

The previous prime is 78001600997. The next prime is 78001601021. The reversal of 78001601000 is 10610087.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515102 + ... + 649101.

It is an arithmetic number, because the mean of its divisors is an integer number (2894502195).

Almost surely, 2^78001601000 is an apocalyptic number.

It is an amenable number.

78001601000 is an abundant number, since it is smaller than the sum of its proper divisors (107246539480).

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

78001601000 is a wasteful number, since it uses less digits than its factorization.

78001601000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164291 (or 1164277 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 78001601000 in words is "seventy-eight billion, one million, six hundred one thousand".