89018949858 has 8 divisors (see below), whose sum is σ = 178037899728. Its totient is φ = 29672983284.

The previous prime is 89018949857. The next prime is 89018949863. The reversal of 89018949858 is 85894981098.

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

89018949858 is an admirable number.

It is a super-2 number, since 2×89018949858² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 89018949792 and 89018949801.

It is not an unprimeable number, because it can be changed into a prime (89018949857) 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, 7418245816 + ... + 7418245827.

It is an arithmetic number, because the mean of its divisors is an integer number (22254737466).

Almost surely, 2^89018949858 is an apocalyptic number.

89018949858 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.

89018949858 is a wasteful number, since it uses less digits than its factorization.

89018949858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836491648.

The product of its (nonzero) digits is 59719680, while the sum is 69.

The spelling of 89018949858 in words is "eighty-nine billion, eighteen million, nine hundred forty-nine thousand, eight hundred fifty-eight".