4911791886 has 40 divisors (see below), whose sum is σ = 11385582120. Its totient is φ = 1580805072.

The previous prime is 4911791881. The next prime is 4911791891. The reversal of 4911791886 is 6881971194.

4911791886 is a `hidden beast` number, since 491 + 1 + 79 + 1 + 8 + 86 = 666.

It is an interprime number because it is at equal distance from previous prime (4911791881) and next prime (4911791891).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4911791881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 518056 + ... + 527451.

It is an arithmetic number, because the mean of its divisors is an integer number (284639553).

Almost surely, 2^4911791886 is an apocalyptic number.

4911791886 is an abundant number, since it is smaller than the sum of its proper divisors (6473790234).

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

4911791886 is a wasteful number, since it uses less digits than its factorization.

4911791886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045550 (or 1045541 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The square root of 4911791886 is about 70084.1771443455. The cubic root of 4911791886 is about 1699.8606444015.

The spelling of 4911791886 in words is "four billion, nine hundred eleven million, seven hundred ninety-one thousand, eight hundred eighty-six".