83879049 has 16 divisors (see below), whose sum is σ = 115934400. Its totient is φ = 53879616.

The previous prime is 83879027. The next prime is 83879057. The reversal of 83879049 is 94097838.

It is not a de Polignac number, because 83879049 - 2⁵ = 83879017 is a prime.

It is a super-2 number, since 2×83879049² = 14071389722288802, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83878989 and 83879007.

It is not an unprimeable number, because it can be changed into a prime (83879069) 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, 71542 + ... + 72704.

It is an arithmetic number, because the mean of its divisors is an integer number (7245900).

Almost surely, 2^83879049 is an apocalyptic number.

It is an amenable number.

83879049 is a deficient number, since it is larger than the sum of its proper divisors (32055351).

83879049 is a wasteful number, since it uses less digits than its factorization.

83879049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 83879049 is about 9158.5505949359. The cubic root of 83879049 is about 437.7416117413.

The spelling of 83879049 in words is "eighty-three million, eight hundred seventy-nine thousand, forty-nine".