88040891 has 2 divisors, whose sum is σ = 88040892. Its totient is φ = 88040890.

The previous prime is 88040833. The next prime is 88040893. The reversal of 88040891 is 19804088.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88040891 - 2²⁶ = 20932027 is a prime.

Together with 88040893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88040893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44020445 + 44020446.

It is an arithmetic number, because the mean of its divisors is an integer number (44020446).

Almost surely, 2^88040891 is an apocalyptic number.

88040891 is a deficient number, since it is larger than the sum of its proper divisors (1).

88040891 is an equidigital number, since it uses as much as digits as its factorization.

88040891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 88040891 is about 9383.0107641418. The cubic root of 88040891 is about 444.8649019682.

The spelling of 88040891 in words is "eighty-eight million, forty thousand, eight hundred ninety-one".