85518798 has 8 divisors (see below), whose sum is σ = 171037608. Its totient is φ = 28506264.

The previous prime is 85518793. The next prime is 85518817. The reversal of 85518798 is 89781558.

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

85518798 is an admirable number.

It is a super-2 number, since 2×85518798² = 14626929622729608, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85518798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85518793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7126561 + ... + 7126572.

It is an arithmetic number, because the mean of its divisors is an integer number (21379701).

Almost surely, 2^85518798 is an apocalyptic number.

85518798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85518798 is a wasteful number, since it uses less digits than its factorization.

85518798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14253138.

The product of its digits is 806400, while the sum is 51.

The square root of 85518798 is about 9247.6374280137. The cubic root of 85518798 is about 440.5756892859.

The spelling of 85518798 in words is "eighty-five million, five hundred eighteen thousand, seven hundred ninety-eight".