89851897 has 8 divisors (see below), whose sum is σ = 92416896. Its totient is φ = 87308592.

The previous prime is 89851877. The next prime is 89851913. The reversal of 89851897 is 79815898.

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

It is a cyclic number.

It is not a de Polignac number, because 89851897 - 2¹¹ = 89849849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89851807) 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, 3168 + ... + 13774.

It is an arithmetic number, because the mean of its divisors is an integer number (11552112).

Almost surely, 2^89851897 is an apocalyptic number.

It is an amenable number.

89851897 is a deficient number, since it is larger than the sum of its proper divisors (2564999).

89851897 is a wasteful number, since it uses less digits than its factorization.

89851897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847.

The product of its digits is 1451520, while the sum is 55.

The square root of 89851897 is about 9479.0240531396. The cubic root of 89851897 is about 447.8945213651.

The spelling of 89851897 in words is "eighty-nine million, eight hundred fifty-one thousand, eight hundred ninety-seven".