89087947 has 8 divisors (see below), whose sum is σ = 100112544. Its totient is φ = 78659328.

The previous prime is 89087917. The next prime is 89087953. The reversal of 89087947 is 74978098.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89087947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89087894 and 89087903.

It is not an unprimeable number, because it can be changed into a prime (89087917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148678 + ... + 149275.

It is an arithmetic number, because the mean of its divisors is an integer number (12514068).

Almost surely, 2^89087947 is an apocalyptic number.

89087947 is a deficient number, since it is larger than the sum of its proper divisors (11024597).

89087947 is a wasteful number, since it uses less digits than its factorization.

89087947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297989.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 89087947 is about 9438.6411627946. The cubic root of 89087947 is about 446.6215251650.

The spelling of 89087947 in words is "eighty-nine million, eighty-seven thousand, nine hundred forty-seven".