428968361477 has 4 divisors (see below), whose sum is σ = 451545643680. Its totient is φ = 406391079276.

The previous prime is 428968361453. The next prime is 428968361489. The reversal of 428968361477 is 774163869824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428968361477 - 2¹⁴ = 428968345093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428968360477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11288641073 + ... + 11288641110.

It is an arithmetic number, because the mean of its divisors is an integer number (112886410920).

Almost surely, 2^428968361477 is an apocalyptic number.

It is an amenable number.

428968361477 is a deficient number, since it is larger than the sum of its proper divisors (22577282203).

428968361477 is a wasteful number, since it uses less digits than its factorization.

428968361477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22577282202.

The product of its digits is 97542144, while the sum is 65.

The spelling of 428968361477 in words is "four hundred twenty-eight billion, nine hundred sixty-eight million, three hundred sixty-one thousand, four hundred seventy-seven".