88690247 has 4 divisors (see below), whose sum is σ = 88765296. Its totient is φ = 88615200.

The previous prime is 88690229. The next prime is 88690249. The reversal of 88690247 is 74209688.

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 88690247 - 2⁶ = 88690183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88690198 and 88690207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88690249) 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, 35723 + ... + 38124.

It is an arithmetic number, because the mean of its divisors is an integer number (22191324).

Almost surely, 2^88690247 is an apocalyptic number.

88690247 is a deficient number, since it is larger than the sum of its proper divisors (75049).

88690247 is a wasteful number, since it uses less digits than its factorization.

88690247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75048.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 88690247 is about 9417.5499467749. The cubic root of 88690247 is about 445.9559418764.

The spelling of 88690247 in words is "eighty-eight million, six hundred ninety thousand, two hundred forty-seven".