88878787 has 2 divisors, whose sum is σ = 88878788. Its totient is φ = 88878786.

The previous prime is 88878743. The next prime is 88878809. The reversal of 88878787 is 78787888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88878787 - 2⁷ = 88878659 is a prime.

It is a super-5 number, since 5×88878787⁵ (a number of 41 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (88878487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44439393 + 44439394.

It is an arithmetic number, because the mean of its divisors is an integer number (44439394).

Almost surely, 2^88878787 is an apocalyptic number.

88878787 is a deficient number, since it is larger than the sum of its proper divisors (1).

88878787 is an equidigital number, since it uses as much as digits as its factorization.

88878787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11239424, while the sum is 61.

The square root of 88878787 is about 9427.5546670385. The cubic root of 88878787 is about 446.2717264044.

The spelling of 88878787 in words is "eighty-eight million, eight hundred seventy-eight thousand, seven hundred eighty-seven".