83878051 has 8 divisors (see below), whose sum is σ = 90064224. Its totient is φ = 77831040.

The previous prime is 83878043. The next prime is 83878133. The reversal of 83878051 is 15087838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83878051 - 2³ = 83878043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83877995 and 83878013.

It is not an unprimeable number, because it can be changed into a prime (83878351) 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, 33540 + ... + 35953.

It is an arithmetic number, because the mean of its divisors is an integer number (11258028).

Almost surely, 2^83878051 is an apocalyptic number.

83878051 is a deficient number, since it is larger than the sum of its proper divisors (6186173).

83878051 is a wasteful number, since it uses less digits than its factorization.

83878051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69581.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 83878051 is about 9158.4961101701. The cubic root of 83878051 is about 437.7398756389.

The spelling of 83878051 in words is "eighty-three million, eight hundred seventy-eight thousand, fifty-one".