881487149 has 16 divisors (see below), whose sum is σ = 937640880. Its totient is φ = 827573760.

The previous prime is 881487137. The next prime is 881487157. The reversal of 881487149 is 941784188.

It is a happy number.

881487149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 73222249 + 808264900 = 8557^2 + 28430^2 .

It is a cyclic number.

It is not a de Polignac number, because 881487149 - 2⁴ = 881487133 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881487097 and 881487106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881487109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115937 + ... + 123305.

It is an arithmetic number, because the mean of its divisors is an integer number (58602555).

Almost surely, 2^881487149 is an apocalyptic number.

It is an amenable number.

881487149 is a deficient number, since it is larger than the sum of its proper divisors (56153731).

881487149 is a wasteful number, since it uses less digits than its factorization.

881487149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520.

The product of its digits is 516096, while the sum is 50.

The square root of 881487149 is about 29689.8492586271. The cubic root of 881487149 is about 958.8234824041.

The spelling of 881487149 in words is "eight hundred eighty-one million, four hundred eighty-seven thousand, one hundred forty-nine".