2870780418 has 72 divisors (see below), whose sum is σ = 6867442764. Its totient is φ = 866046720.

The previous prime is 2870780387. The next prime is 2870780449. The reversal of 2870780418 is 8140870782.

It is an interprime number because it is at equal distance from previous prime (2870780387) and next prime (2870780449).

It can be written as a sum of positive squares in 2 ways, for example, as 2453518089 + 417262329 = 49533^2 + 20427^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 504646 + ... + 510302.

Almost surely, 2^2870780418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2870780418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433721382).

2870780418 is an abundant number, since it is smaller than the sum of its proper divisors (3996662346).

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

2870780418 is a wasteful number, since it uses less digits than its factorization.

2870780418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920 (or 5906 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 2870780418 is about 53579.6642206724. The cubic root of 2870780418 is about 1421.2375012070.

The spelling of 2870780418 in words is "two billion, eight hundred seventy million, seven hundred eighty thousand, four hundred eighteen".