84131807000 has 64 divisors (see below), whose sum is σ = 198190044000. Its totient is φ = 33426806400.

The previous prime is 84131806987. The next prime is 84131807003. The reversal of 84131807000 is 70813148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84131807003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133322 + ... + 431321.

Almost surely, 2^84131807000 is an apocalyptic number.

It is an amenable number.

84131807000 is an abundant number, since it is smaller than the sum of its proper divisors (114058237000).

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

84131807000 is a wasteful number, since it uses less digits than its factorization.

84131807000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564813 (or 564799 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 84131807000 in words is "eighty-four billion, one hundred thirty-one million, eight hundred seven thousand".