85816498 has 4 divisors (see below), whose sum is σ = 128724750. Its totient is φ = 42908248.

The previous prime is 85816469. The next prime is 85816499. The reversal of 85816498 is 89461858.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83484769 + 2331729 = 9137^2 + 1527^2 .

It is not an unprimeable number, because it can be changed into a prime (85816499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21454123 + ... + 21454126.

Almost surely, 2^85816498 is an apocalyptic number.

85816498 is a deficient number, since it is larger than the sum of its proper divisors (42908252).

85816498 is a wasteful number, since it uses less digits than its factorization.

85816498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42908251.

The product of its digits is 552960, while the sum is 49.

The square root of 85816498 is about 9263.7194473926. The cubic root of 85816498 is about 441.0863274387.

The spelling of 85816498 in words is "eighty-five million, eight hundred sixteen thousand, four hundred ninety-eight".