2864876658 has 64 divisors (see below), whose sum is σ = 6911063040. Its totient is φ = 773416512.

The previous prime is 2864876657. The next prime is 2864876659. The reversal of 2864876658 is 8566784682.

It is an interprime number because it is at equal distance from previous prime (2864876657) and next prime (2864876659).

It is not an unprimeable number, because it can be changed into a prime (2864876653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312285 + ... + 321327.

It is an arithmetic number, because the mean of its divisors is an integer number (107985360).

Almost surely, 2^2864876658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2864876658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3455531520).

2864876658 is an abundant number, since it is smaller than the sum of its proper divisors (4046186382).

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

2864876658 is a wasteful number, since it uses less digits than its factorization.

2864876658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471.

The product of its digits is 30965760, while the sum is 60.

The square root of 2864876658 is about 53524.5425762799. The cubic root of 2864876658 is about 1420.2625742702.

The spelling of 2864876658 in words is "two billion, eight hundred sixty-four million, eight hundred seventy-six thousand, six hundred fifty-eight".