88688791 has 2 divisors, whose sum is σ = 88688792. Its totient is φ = 88688790.

The previous prime is 88688783. The next prime is 88688801. The reversal of 88688791 is 19788688.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 88688791 - 2³ = 88688783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88688701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44344395 + 44344396.

It is an arithmetic number, because the mean of its divisors is an integer number (44344396).

Almost surely, 2^88688791 is an apocalyptic number.

88688791 is a deficient number, since it is larger than the sum of its proper divisors (1).

88688791 is an equidigital number, since it uses as much as digits as its factorization.

88688791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 55.

The square root of 88688791 is about 9417.4726439741. The cubic root of 88688791 is about 445.9535014901.

The spelling of 88688791 in words is "eighty-eight million, six hundred eighty-eight thousand, seven hundred ninety-one".