1425484777 has 8 divisors (see below), whose sum is σ = 1487908800. Its totient is φ = 1363098000.

The previous prime is 1425484771. The next prime is 1425484789. The reversal of 1425484777 is 7774845241.

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 1425484777 - 2²³ = 1417096169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1425484777.

It is not an unprimeable number, because it can be changed into a prime (1425484771) 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 7 ways as a sum of consecutive naturals, for example, 92902 + ... + 107152.

It is an arithmetic number, because the mean of its divisors is an integer number (185988600).

Almost surely, 2^1425484777 is an apocalyptic number.

It is an amenable number.

1425484777 is a deficient number, since it is larger than the sum of its proper divisors (62424023).

1425484777 is a wasteful number, since it uses less digits than its factorization.

1425484777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623.

The product of its digits is 1756160, while the sum is 49.

The square root of 1425484777 is about 37755.5926585718. The cubic root of 1425484777 is about 1125.4361507554.

The spelling of 1425484777 in words is "one billion, four hundred twenty-five million, four hundred eighty-four thousand, seven hundred seventy-seven".