2077153218 has 72 divisors (see below), whose sum is σ = 5265922428. Its totient is φ = 589998528.

The previous prime is 2077153189. The next prime is 2077153219. The reversal of 2077153218 is 8123517702.

It can be written as a sum of positive squares in 2 ways, for example, as 2032837569 + 44315649 = 45087^2 + 6657^2 .

It is not an unprimeable number, because it can be changed into a prime (2077153219) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145780 + ... + 159392.

Almost surely, 2^2077153218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2077153218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632961214).

2077153218 is an abundant number, since it is smaller than the sum of its proper divisors (3188769210).

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

2077153218 is a wasteful number, since it uses less digits than its factorization.

2077153218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808 (or 13798 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 2077153218 is about 45575.7964055484. The cubic root of 2077153218 is about 1275.9182349673.

The spelling of 2077153218 in words is "two billion, seventy-seven million, one hundred fifty-three thousand, two hundred eighteen".