881271402 has 64 divisors (see below), whose sum is σ = 1981411200. Its totient is φ = 258958080.

The previous prime is 881271397. The next prime is 881271407. The reversal of 881271402 is 204172188.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (881271397) and next prime (881271407).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (881271407) 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 31 ways as a sum of consecutive naturals, for example, 1242624 + ... + 1243332.

It is an arithmetic number, because the mean of its divisors is an integer number (30959550).

Almost surely, 2^881271402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881271402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990705600).

881271402 is an abundant number, since it is smaller than the sum of its proper divisors (1100139798).

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

881271402 is a wasteful number, since it uses less digits than its factorization.

881271402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 881271402 is about 29686.2156901145. The cubic root of 881271402 is about 958.7452509104.

The spelling of 881271402 in words is "eight hundred eighty-one million, two hundred seventy-one thousand, four hundred two".