83437884904 has 64 divisors (see below), whose sum is σ = 175401864000. Its totient is φ = 36882155520.

The previous prime is 83437884899. The next prime is 83437884917. The reversal of 83437884904 is 40948873438.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818392 + ... + 914680.

It is an arithmetic number, because the mean of its divisors is an integer number (2740654125).

Almost surely, 2^83437884904 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 83437884904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87700932000).

83437884904 is an abundant number, since it is smaller than the sum of its proper divisors (91963979096).

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

83437884904 is a wasteful number, since it uses less digits than its factorization.

83437884904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96578 (or 96574 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 83437884904 in words is "eighty-three billion, four hundred thirty-seven million, eight hundred eighty-four thousand, nine hundred four".