1447506979 has 8 divisors (see below), whose sum is σ = 1482269360. Its totient is φ = 1412794656.

The previous prime is 1447506961. The next prime is 1447506997. The reversal of 1447506979 is 9796057441.

It is an interprime number because it is at equal distance from previous prime (1447506961) and next prime (1447506997).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447506979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1447506959) 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, 49669 + ... + 73225.

It is an arithmetic number, because the mean of its divisors is an integer number (185283670).

Almost surely, 2^1447506979 is an apocalyptic number.

1447506979 is a deficient number, since it is larger than the sum of its proper divisors (34762381).

1447506979 is a wasteful number, since it uses less digits than its factorization.

1447506979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 1447506979 is about 38046.1164772438. The cubic root of 1447506979 is about 1131.2021505600.

The spelling of 1447506979 in words is "one billion, four hundred forty-seven million, five hundred six thousand, nine hundred seventy-nine".