881428907 has 4 divisors (see below), whose sum is σ = 896368440. Its totient is φ = 866489376.

The previous prime is 881428879. The next prime is 881428939. The reversal of 881428907 is 709824188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 881428907 - 2⁶ = 881428843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881428957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7469678 + ... + 7469795.

It is an arithmetic number, because the mean of its divisors is an integer number (224092110).

Almost surely, 2^881428907 is an apocalyptic number.

881428907 is a deficient number, since it is larger than the sum of its proper divisors (14939533).

881428907 is a wasteful number, since it uses less digits than its factorization.

881428907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939532.

The product of its (nonzero) digits is 258048, while the sum is 47.

The square root of 881428907 is about 29688.8684021470. The cubic root of 881428907 is about 958.8023646724.

The spelling of 881428907 in words is "eight hundred eighty-one million, four hundred twenty-eight thousand, nine hundred seven".