47090278868 has 24 divisors (see below), whose sum is σ = 87617603304. Its totient is φ = 22068172800.

The previous prime is 47090278811. The next prime is 47090278871. The reversal of 47090278868 is 86887209074.

It can be written as a sum of positive squares in 4 ways, for example, as 5934853444 + 41155425424 = 77038^2 + 202868^2 .

It is a super-2 number, since 2×47090278868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1420343 + ... + 1453118.

It is an arithmetic number, because the mean of its divisors is an integer number (3650733471).

Almost surely, 2^47090278868 is an apocalyptic number.

It is an amenable number.

47090278868 is a deficient number, since it is larger than the sum of its proper divisors (40527324436).

47090278868 is a wasteful number, since it uses less digits than its factorization.

47090278868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873723 (or 2873721 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 59.

The spelling of 47090278868 in words is "forty-seven billion, ninety million, two hundred seventy-eight thousand, eight hundred sixty-eight".