881297730 has 48 divisors (see below), whose sum is σ = 2296270080. Its totient is φ = 234510624.

The previous prime is 881297719. The next prime is 881297743. The reversal of 881297730 is 37792188.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32889 + ... + 53331.

It is an arithmetic number, because the mean of its divisors is an integer number (47838960).

Almost surely, 2^881297730 is an apocalyptic number.

881297730 is an abundant number, since it is smaller than the sum of its proper divisors (1414972350).

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

881297730 is a wasteful number, since it uses less digits than its factorization.

881297730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935 (or 20932 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 881297730 is about 29686.6591249335. The cubic root of 881297730 is about 958.7547983262.

It can be divided in two parts, 88129 and 7730, that added together give a palindrome (95859).

The spelling of 881297730 in words is "eight hundred eighty-one million, two hundred ninety-seven thousand, seven hundred thirty".