2840787078258 has 16 divisors (see below), whose sum is σ = 5980604375520. Its totient is φ = 897090656256.

The previous prime is 2840787078223. The next prime is 2840787078323. The reversal of 2840787078258 is 8528707870482.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459592335 + ... + 12459592562.

It is an arithmetic number, because the mean of its divisors is an integer number (373787773470).

Almost surely, 2^{2840787078258} is an apocalyptic number.

2840787078258 is an abundant number, since it is smaller than the sum of its proper divisors (3139817297262).

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

2840787078258 is a wasteful number, since it uses less digits than its factorization.

2840787078258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24919184921.

The product of its (nonzero) digits is 112394240, while the sum is 66.

The spelling of 2840787078258 in words is "two trillion, eight hundred forty billion, seven hundred eighty-seven million, seventy-eight thousand, two hundred fifty-eight".