88511191 has 2 divisors, whose sum is σ = 88511192. Its totient is φ = 88511190.

The previous prime is 88511167. The next prime is 88511201. The reversal of 88511191 is 19111588.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88511191 - 2¹⁷ = 88380119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88515191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44255595 + 44255596.

It is an arithmetic number, because the mean of its divisors is an integer number (44255596).

Almost surely, 2^88511191 is an apocalyptic number.

88511191 is a deficient number, since it is larger than the sum of its proper divisors (1).

88511191 is an equidigital number, since it uses as much as digits as its factorization.

88511191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 34.

The square root of 88511191 is about 9408.0386372506. The cubic root of 88511191 is about 445.6556274409.

The spelling of 88511191 in words is "eighty-eight million, five hundred eleven thousand, one hundred ninety-one".