3618897858 has 16 divisors (see below), whose sum is σ = 8041995360. Its totient is φ = 1206299268.

The previous prime is 3618897853. The next prime is 3618897859. The reversal of 3618897858 is 8587988163.

3618897858 is a `hidden beast` number, since 3 + 618 + 8 + 9 + 7 + 8 + 5 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3618897795 and 3618897804.

It is not an unprimeable number, because it can be changed into a prime (3618897853) 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, 33508260 + ... + 33508367.

It is an arithmetic number, because the mean of its divisors is an integer number (502624710).

Almost surely, 2^3618897858 is an apocalyptic number.

3618897858 is an abundant number, since it is smaller than the sum of its proper divisors (4423097502).

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

3618897858 is a wasteful number, since it uses less digits than its factorization.

3618897858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67016638 (or 67016632 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 63.

The square root of 3618897858 is about 60157.2760187826. The cubic root of 3618897858 is about 1535.2959648871.

The spelling of 3618897858 in words is "three billion, six hundred eighteen million, eight hundred ninety-seven thousand, eight hundred fifty-eight".