881375797 has 2 divisors, whose sum is σ = 881375798. Its totient is φ = 881375796.

The previous prime is 881375791. The next prime is 881375837. The reversal of 881375797 is 797573188.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605848996 + 275526801 = 24614^2 + 16599^2 .

It is a cyclic number.

It is not a de Polignac number, because 881375797 - 2²³ = 872987189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881375791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440687898 + 440687899.

It is an arithmetic number, because the mean of its divisors is an integer number (440687899).

Almost surely, 2^881375797 is an apocalyptic number.

It is an amenable number.

881375797 is a deficient number, since it is larger than the sum of its proper divisors (1).

881375797 is an equidigital number, since it uses as much as digits as its factorization.

881375797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 55.

The square root of 881375797 is about 29687.9739456905. The cubic root of 881375797 is about 958.7831069210.

The spelling of 881375797 in words is "eight hundred eighty-one million, three hundred seventy-five thousand, seven hundred ninety-seven".