1426377785 has 48 divisors (see below), whose sum is σ = 2092147200. Its totient is φ = 914239872.

The previous prime is 1426377781. The next prime is 1426377791. The reversal of 1426377785 is 5877736241.

It is a happy number.

It is not a de Polignac number, because 1426377785 - 2² = 1426377781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426377781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 997451 + ... + 998879.

It is an arithmetic number, because the mean of its divisors is an integer number (43586400).

Almost surely, 2^1426377785 is an apocalyptic number.

It is an amenable number.

1426377785 is a deficient number, since it is larger than the sum of its proper divisors (665769415).

1426377785 is a wasteful number, since it uses less digits than its factorization.

1426377785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558 (or 1539 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 1426377785 is about 37767.4169754830. The cubic root of 1426377785 is about 1125.6711149600.

The spelling of 1426377785 in words is "one billion, four hundred twenty-six million, three hundred seventy-seven thousand, seven hundred eighty-five".