83925870029 has 4 divisors (see below), whose sum is σ = 83938397376. Its totient is φ = 83913342684.

The previous prime is 83925870019. The next prime is 83925870037. The reversal of 83925870029 is 92007852938.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83925870029 - 2⁴ = 83925870013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83925870019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253619 + ... + 6267024.

It is an arithmetic number, because the mean of its divisors is an integer number (20984599344).

Almost surely, 2^83925870029 is an apocalyptic number.

It is an amenable number.

83925870029 is a deficient number, since it is larger than the sum of its proper divisors (12527347).

83925870029 is a wasteful number, since it uses less digits than its factorization.

83925870029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12527346.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 83925870029 in words is "eighty-three billion, nine hundred twenty-five million, eight hundred seventy thousand, twenty-nine".