2749768086 has 32 divisors (see below), whose sum is σ = 5935614048. Its totient is φ = 844220160.

The previous prime is 2749768019. The next prime is 2749768097. The reversal of 2749768086 is 6808679472.

It is a super-2 number, since 2×2749768086² = 15122449053568206792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 74216.

It is an arithmetic number, because the mean of its divisors is an integer number (185487939).

Almost surely, 2^2749768086 is an apocalyptic number.

2749768086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2749768086 is an abundant number, since it is smaller than the sum of its proper divisors (3185845962).

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

2749768086 is a wasteful number, since it uses less digits than its factorization.

2749768086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77616.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The square root of 2749768086 is about 52438.2311486572. The cubic root of 2749768086 is about 1400.9802804539.

The spelling of 2749768086 in words is "two billion, seven hundred forty-nine million, seven hundred sixty-eight thousand, eighty-six".