88991783 has 2 divisors, whose sum is σ = 88991784. Its totient is φ = 88991782.

The previous prime is 88991759. The next prime is 88991797. The reversal of 88991783 is 38719988.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88991783 - 2⁸ = 88991527 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88991713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44495891 + 44495892.

It is an arithmetic number, because the mean of its divisors is an integer number (44495892).

Almost surely, 2^88991783 is an apocalyptic number.

88991783 is a deficient number, since it is larger than the sum of its proper divisors (1).

88991783 is an equidigital number, since it uses as much as digits as its factorization.

88991783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 88991783 is about 9433.5456218752. The cubic root of 88991783 is about 446.4607687571.

The spelling of 88991783 in words is "eighty-eight million, nine hundred ninety-one thousand, seven hundred eighty-three".