2856767897907 has 256 divisors, whose sum is σ = 5850139852800. Its totient is φ = 1332187274880.

The previous prime is 2856767897887. The next prime is 2856767897909. The reversal of 2856767897907 is 7097987676582.

It is not a de Polignac number, because 2856767897907 - 2⁷ = 2856767897779 is a prime.

It is a super-2 number, since 2×2856767897907² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2856767897909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 97197268 + ... + 97226654.

It is an arithmetic number, because the mean of its divisors is an integer number (22852108800).

Almost surely, 2^{2856767897907} is an apocalyptic number.

2856767897907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2856767897907 is an abundant number, since it is smaller than the sum of its proper divisors (2993371954893).

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

2856767897907 is a wasteful number, since it uses less digits than its factorization.

2856767897907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29563 (or 29557 counting only the distinct ones).

The product of its (nonzero) digits is 4480842240, while the sum is 81.

The spelling of 2856767897907 in words is "two trillion, eight hundred fifty-six billion, seven hundred sixty-seven million, eight hundred ninety-seven thousand, nine hundred seven".