1426633887 has 8 divisors (see below), whose sum is σ = 2173918336. Its totient is φ = 815219352.

The previous prime is 1426633877. The next prime is 1426633907. The reversal of 1426633887 is 7883366241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1426633887 - 2¹⁰ = 1426632863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426633837) 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, 33967453 + ... + 33967494.

It is an arithmetic number, because the mean of its divisors is an integer number (271739792).

Almost surely, 2^1426633887 is an apocalyptic number.

1426633887 is a deficient number, since it is larger than the sum of its proper divisors (747284449).

1426633887 is an equidigital number, since it uses as much as digits as its factorization.

1426633887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67934957.

The product of its digits is 1161216, while the sum is 48.

The square root of 1426633887 is about 37770.8073384724. The cubic root of 1426633887 is about 1125.7384812578.

The spelling of 1426633887 in words is "one billion, four hundred twenty-six million, six hundred thirty-three thousand, eight hundred eighty-seven".