85831672000 has 56 divisors (see below), whose sum is σ = 212562155520. Its totient is φ = 34332665600.

The previous prime is 85831671979. The next prime is 85831672007. The reversal of 85831672000 is 27613858.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (85831672007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5356480 + ... + 5372479.

Almost surely, 2^85831672000 is an apocalyptic number.

85831672000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85831672000 is an abundant number, since it is smaller than the sum of its proper divisors (126730483520).

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

85831672000 is a wasteful number, since it uses less digits than its factorization.

85831672000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10728986 (or 10728966 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 85831672000 in words is "eighty-five billion, eight hundred thirty-one million, six hundred seventy-two thousand".