2787286023 has 6 divisors (see below), whose sum is σ = 4026079824. Its totient is φ = 1858190676.

The previous prime is 2787286003. The next prime is 2787286031. The reversal of 2787286023 is 3206827872.

It is not a de Polignac number, because 2787286023 - 2¹² = 2787281927 is a prime.

It is a super-2 number, since 2×2787286023² = 15537926748022313058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2787286023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2787286003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154849215 + ... + 154849232.

It is an arithmetic number, because the mean of its divisors is an integer number (671013304).

Almost surely, 2^2787286023 is an apocalyptic number.

2787286023 is a deficient number, since it is larger than the sum of its proper divisors (1238793801).

2787286023 is a wasteful number, since it uses less digits than its factorization.

2787286023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309698453 (or 309698450 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 2787286023 is about 52794.7537450455. The cubic root of 2787286023 is about 1407.3231951828.

The spelling of 2787286023 in words is "two billion, seven hundred eighty-seven million, two hundred eighty-six thousand, twenty-three".