88199291 has 4 divisors (see below), whose sum is σ = 88232352. Its totient is φ = 88166232.

The previous prime is 88199249. The next prime is 88199317. The reversal of 88199291 is 19299188.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88199291 - 2¹⁰ = 88198267 is a prime.

It is a super-2 number, since 2×88199291² = 15558229865805362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88199201) 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 in 3 ways as a sum of consecutive naturals, for example, 12140 + ... + 17993.

It is an arithmetic number, because the mean of its divisors is an integer number (22058088).

Almost surely, 2^88199291 is an apocalyptic number.

88199291 is a deficient number, since it is larger than the sum of its proper divisors (33061).

88199291 is a wasteful number, since it uses less digits than its factorization.

88199291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33060.

The product of its digits is 93312, while the sum is 47.

The square root of 88199291 is about 9391.4477584662. The cubic root of 88199291 is about 445.1315370947.

The spelling of 88199291 in words is "eighty-eight million, one hundred ninety-nine thousand, two hundred ninety-one".