442776697 has 12 divisors (see below), whose sum is σ = 489002544. Its totient is φ = 397606520.

The previous prime is 442776667. The next prime is 442776701. The reversal of 442776697 is 796677244.

It is not a de Polignac number, because 442776697 - 2⁷ = 442776569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442776617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72858 + ... + 78700.

It is an arithmetic number, because the mean of its divisors is an integer number (40750212).

Almost surely, 2^442776697 is an apocalyptic number.

It is an amenable number.

442776697 is a deficient number, since it is larger than the sum of its proper divisors (46225847).

442776697 is an equidigital number, since it uses as much as digits as its factorization.

442776697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020 (or 5937 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 52.

The square root of 442776697 is about 21042.2597883402. The cubic root of 442776697 is about 762.1870847897.

The spelling of 442776697 in words is "four hundred forty-two million, seven hundred seventy-six thousand, six hundred ninety-seven".