881972582399 has 4 divisors (see below), whose sum is σ = 882056774664. Its totient is φ = 881888390136.

The previous prime is 881972582369. The next prime is 881972582497. The reversal of 881972582399 is 993285279188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881972582399 - 2¹² = 881972578303 is a prime.

It is a super-2 number, since 2×881972582399² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881972582369) 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, 42080417 + ... + 42101370.

It is an arithmetic number, because the mean of its divisors is an integer number (220514193666).

Almost surely, 2^881972582399 is an apocalyptic number.

881972582399 is a deficient number, since it is larger than the sum of its proper divisors (84192265).

881972582399 is a wasteful number, since it uses less digits than its factorization.

881972582399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84192264.

The product of its digits is 156764160, while the sum is 71.

The spelling of 881972582399 in words is "eight hundred eighty-one billion, nine hundred seventy-two million, five hundred eighty-two thousand, three hundred ninety-nine".