88691247 has 16 divisors (see below), whose sum is σ = 131645280. Its totient is φ = 59014656.

The previous prime is 88691237. The next prime is 88691249. The reversal of 88691247 is 74219688.

It is not a de Polignac number, because 88691247 - 2¹⁰ = 88690223 is a prime.

It is a super-2 number, since 2×88691247² = 15732274588830018, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88691249) 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 15 ways as a sum of consecutive naturals, for example, 12733 + ... + 18425.

It is an arithmetic number, because the mean of its divisors is an integer number (8227830).

Almost surely, 2^88691247 is an apocalyptic number.

88691247 is a deficient number, since it is larger than the sum of its proper divisors (42954033).

88691247 is a wasteful number, since it uses less digits than its factorization.

88691247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279 (or 6273 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 88691247 is about 9417.6030389903. The cubic root of 88691247 is about 445.9576179505.

The spelling of 88691247 in words is "eighty-eight million, six hundred ninety-one thousand, two hundred forty-seven".