1426766979 has 8 divisors (see below), whose sum is σ = 2075297472. Its totient is φ = 864707240.

The previous prime is 1426766977. The next prime is 1426766983. The reversal of 1426766979 is 9796676241.

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

It is a cyclic number.

It is not a de Polignac number, because 1426766979 - 2¹ = 1426766977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1426766977) 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, 21617649 + ... + 21617714.

It is an arithmetic number, because the mean of its divisors is an integer number (259412184).

Almost surely, 2^1426766979 is an apocalyptic number.

1426766979 is a deficient number, since it is larger than the sum of its proper divisors (648530493).

1426766979 is a wasteful number, since it uses less digits than its factorization.

1426766979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43235377.

The product of its digits is 6858432, while the sum is 57.

The square root of 1426766979 is about 37772.5691342276. The cubic root of 1426766979 is about 1125.7734872319.

The spelling of 1426766979 in words is "one billion, four hundred twenty-six million, seven hundred sixty-six thousand, nine hundred seventy-nine".