425349977 has 16 divisors (see below), whose sum is σ = 475066368. Its totient is φ = 378181440.

The previous prime is 425349943. The next prime is 425349997. The reversal of 425349977 is 779943524.

It is not a de Polignac number, because 425349977 - 2⁸ = 425349721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425349907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87503 + ... + 92235.

It is an arithmetic number, because the mean of its divisors is an integer number (29691648).

Almost surely, 2^425349977 is an apocalyptic number.

It is an amenable number.

425349977 is a deficient number, since it is larger than the sum of its proper divisors (49716391).

425349977 is a wasteful number, since it uses less digits than its factorization.

425349977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000.

The product of its digits is 1905120, while the sum is 50.

The square root of 425349977 is about 20624.0145703983. The cubic root of 425349977 is about 752.0536173716.

The spelling of 425349977 in words is "four hundred twenty-five million, three hundred forty-nine thousand, nine hundred seventy-seven".