1478082797 has 2 divisors, whose sum is σ = 1478082798. Its totient is φ = 1478082796.

The previous prime is 1478082721. The next prime is 1478082829. The reversal of 1478082797 is 7972808741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1266932836 + 211149961 = 35594^2 + 14531^2 .

It is an emirp because it is prime and its reverse (7972808741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1478082797 - 2²⁶ = 1410973933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478082707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739041398 + 739041399.

It is an arithmetic number, because the mean of its divisors is an integer number (739041399).

Almost surely, 2^1478082797 is an apocalyptic number.

It is an amenable number.

1478082797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478082797 is an equidigital number, since it uses as much as digits as its factorization.

1478082797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The square root of 1478082797 is about 38445.8423890022. The cubic root of 1478082797 is about 1139.1115466622. Note that the first 3 decimals are identical.

The spelling of 1478082797 in words is "one billion, four hundred seventy-eight million, eighty-two thousand, seven hundred ninety-seven".