2007896881 has 4 divisors (see below), whose sum is σ = 2010571264. Its totient is φ = 2005222500.

The previous prime is 2007896861. The next prime is 2007896927. The reversal of 2007896881 is 1886987002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2007896881 - 2²¹ = 2005799729 is a prime.

It is a super-2 number, since 2×2007896881² = 8063299769459056322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2007896861) 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 3 ways as a sum of consecutive naturals, for example, 1336065 + ... + 1337566.

It is an arithmetic number, because the mean of its divisors is an integer number (502642816).

Almost surely, 2^2007896881 is an apocalyptic number.

It is an amenable number.

2007896881 is a deficient number, since it is larger than the sum of its proper divisors (2674383).

2007896881 is an equidigital number, since it uses as much as digits as its factorization.

2007896881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674382.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 2007896881 is about 44809.5623834913. The cubic root of 2007896881 is about 1261.5771132811.

The spelling of 2007896881 in words is "two billion, seven million, eight hundred ninety-six thousand, eight hundred eighty-one".