88427191 has 4 divisors (see below), whose sum is σ = 88549552. Its totient is φ = 88304832.

The previous prime is 88427173. The next prime is 88427233. The reversal of 88427191 is 19172488.

It is a happy number.

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 88427191 - 2⁷ = 88427063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88427791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60090 + ... + 61543.

It is an arithmetic number, because the mean of its divisors is an integer number (22137388).

Almost surely, 2^88427191 is an apocalyptic number.

88427191 is a deficient number, since it is larger than the sum of its proper divisors (122361).

88427191 is a wasteful number, since it uses less digits than its factorization.

88427191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122360.

The product of its digits is 32256, while the sum is 40.

The square root of 88427191 is about 9403.5733101837. The cubic root of 88427191 is about 445.5146022557.

The spelling of 88427191 in words is "eighty-eight million, four hundred twenty-seven thousand, one hundred ninety-one".