83805051670 has 32 divisors (see below), whose sum is σ = 157269654432. Its totient is φ = 32124648192.

The previous prime is 83805051661. The next prime is 83805051721. The reversal of 83805051670 is 7615050838.

It is a super-2 number, since 2×83805051670² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

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, 1815847 + ... + 1861426.

It is an arithmetic number, because the mean of its divisors is an integer number (4914676701).

Almost surely, 2^83805051670 is an apocalyptic number.

83805051670 is a deficient number, since it is larger than the sum of its proper divisors (73464602762).

83805051670 is a wasteful number, since it uses less digits than its factorization.

83805051670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677376.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 83805051670 in words is "eighty-three billion, eight hundred five million, fifty-one thousand, six hundred seventy".