28076868337 has 8 divisors (see below), whose sum is σ = 32742704000. Its totient is φ = 24065886852.

The previous prime is 28076868307. The next prime is 28076868371. The reversal of 28076868337 is 73386867082.

It is not a de Polignac number, because 28076868337 - 2²³ = 28068479729 is a prime.

It is a super-2 number, since 2×28076868337² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28076868307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40928037 + ... + 40928722.

It is an arithmetic number, because the mean of its divisors is an integer number (4092838000).

Almost surely, 2^28076868337 is an apocalyptic number.

It is an amenable number.

28076868337 is a deficient number, since it is larger than the sum of its proper divisors (4665835663).

28076868337 is an frugal number, since it uses more digits than its factorization.

28076868337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81856780 (or 81856766 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 28076868337 in words is "twenty-eight billion, seventy-six million, eight hundred sixty-eight thousand, three hundred thirty-seven".