88911787001 has 2 divisors, whose sum is σ = 88911787002. Its totient is φ = 88911787000.

The previous prime is 88911786979. The next prime is 88911787009. The reversal of 88911787001 is 10078711988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61752747001 + 27159040000 = 248501^2 + 164800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88911787001 is a prime.

It is a super-2 number, since 2×88911787001² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88911787009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44455893500 + 44455893501.

It is an arithmetic number, because the mean of its divisors is an integer number (44455893501).

Almost surely, 2^88911787001 is an apocalyptic number.

It is an amenable number.

88911787001 is a deficient number, since it is larger than the sum of its proper divisors (1).

88911787001 is an equidigital number, since it uses as much as digits as its factorization.

88911787001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 50.

The spelling of 88911787001 in words is "eighty-eight billion, nine hundred eleven million, seven hundred eighty-seven thousand, one".