881972540 has 24 divisors (see below), whose sum is σ = 1856457792. Its totient is φ = 351967040.

The previous prime is 881972521. The next prime is 881972543. The reversal of 881972540 is 45279188.

881972540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×881972540² = 1555751122628103200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 881972491 and 881972500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881972543) 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, 42539 + ... + 59778.

It is an arithmetic number, because the mean of its divisors is an integer number (77352408).

Almost surely, 2^881972540 is an apocalyptic number.

It is an amenable number.

881972540 is an abundant number, since it is smaller than the sum of its proper divisors (974485252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881972540 is a wasteful number, since it uses less digits than its factorization.

881972540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102757 (or 102755 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 881972540 is about 29698.0224930887. The cubic root of 881972540 is about 958.9994421976. Note that the first 3 decimals are identical.

The spelling of 881972540 in words is "eight hundred eighty-one million, nine hundred seventy-two thousand, five hundred forty".