71883879 has 16 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 47063520.

The previous prime is 71883857. The next prime is 71883881. The reversal of 71883879 is 97838817.

It is not a de Polignac number, because 71883879 - 2⁷ = 71883751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71883839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73854 + ... + 74820.

It is an arithmetic number, because the mean of its divisors is an integer number (6098400).

Almost surely, 2^71883879 is an apocalyptic number.

71883879 is a deficient number, since it is larger than the sum of its proper divisors (25690521).

71883879 is a wasteful number, since it uses less digits than its factorization.

71883879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its digits is 677376, while the sum is 51.

The square root of 71883879 is about 8478.4361175868. The cubic root of 71883879 is about 415.7929948122.

The spelling of 71883879 in words is "seventy-one million, eight hundred eighty-three thousand, eight hundred seventy-nine".