1457747797 has 16 divisors (see below), whose sum is σ = 1674668160. Its totient is φ = 1255953600.

The previous prime is 1457747791. The next prime is 1457747831. The reversal of 1457747797 is 7977477541.

It is not a de Polignac number, because 1457747797 - 2²⁷ = 1323530069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457747791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147 + ... + 54007.

It is an arithmetic number, because the mean of its divisors is an integer number (104666760).

Almost surely, 2^1457747797 is an apocalyptic number.

It is an amenable number.

1457747797 is a deficient number, since it is larger than the sum of its proper divisors (216920363).

1457747797 is a wasteful number, since it uses less digits than its factorization.

1457747797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53004.

The product of its digits is 12101040, while the sum is 58.

The square root of 1457747797 is about 38180.4635514028. The cubic root of 1457747797 is about 1133.8635592692.

The spelling of 1457747797 in words is "one billion, four hundred fifty-seven million, seven hundred forty-seven thousand, seven hundred ninety-seven".