71982880383 has 16 divisors (see below), whose sum is σ = 97899219200. Its totient is φ = 47034763776.

The previous prime is 71982880351. The next prime is 71982880393. The reversal of 71982880383 is 38308828917.

It is a happy number.

It is not a de Polignac number, because 71982880383 - 2⁵ = 71982880351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71982880303) 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, 859810 + ... + 939807.

It is an arithmetic number, because the mean of its divisors is an integer number (6118701200).

Almost surely, 2^71982880383 is an apocalyptic number.

71982880383 is a deficient number, since it is larger than the sum of its proper divisors (25916338817).

71982880383 is a wasteful number, since it uses less digits than its factorization.

71982880383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799886.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 71982880383 in words is "seventy-one billion, nine hundred eighty-two million, eight hundred eighty thousand, three hundred eighty-three".