881988465 has 8 divisors (see below), whose sum is σ = 1411181568. Its totient is φ = 470393840.

The previous prime is 881988451. The next prime is 881988467. The reversal of 881988465 is 564889188.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 881988465 - 2¹⁴ = 881972081 is a prime.

It is a super-3 number, since 3×881988465³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (881988467) 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 7 ways as a sum of consecutive naturals, for example, 29399601 + ... + 29399630.

It is an arithmetic number, because the mean of its divisors is an integer number (176397696).

Almost surely, 2^881988465 is an apocalyptic number.

It is an amenable number.

881988465 is a deficient number, since it is larger than the sum of its proper divisors (529193103).

881988465 is a wasteful number, since it uses less digits than its factorization.

881988465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58799239.

The product of its digits is 4423680, while the sum is 57.

The square root of 881988465 is about 29698.2906073733. The cubic root of 881988465 is about 959.0052140984.

The spelling of 881988465 in words is "eight hundred eighty-one million, nine hundred eighty-eight thousand, four hundred sixty-five".