88969831 has 2 divisors, whose sum is σ = 88969832. Its totient is φ = 88969830.

The previous prime is 88969813. The next prime is 88969841. The reversal of 88969831 is 13896988.

Together with previous prime (88969813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88969831 - 2¹⁵ = 88937063 is a prime.

It is a super-2 number, since 2×88969831² = 15831261656337122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88969841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44484915 + 44484916.

It is an arithmetic number, because the mean of its divisors is an integer number (44484916).

Almost surely, 2^88969831 is an apocalyptic number.

88969831 is a deficient number, since it is larger than the sum of its proper divisors (1).

88969831 is an equidigital number, since it uses as much as digits as its factorization.

88969831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 52.

The square root of 88969831 is about 9432.3820427292. The cubic root of 88969831 is about 446.4240555819.

The spelling of 88969831 in words is "eighty-eight million, nine hundred sixty-nine thousand, eight hundred thirty-one".