427518098747 has 4 divisors (see below), whose sum is σ = 430781595816. Its totient is φ = 424254601680.

The previous prime is 427518098743. The next prime is 427518098771. The reversal of 427518098747 is 747890815724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427518098747 - 2² = 427518098743 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 427518098747.

It is not an unprimeable number, because it can be changed into a prime (427518098743) 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 3 ways as a sum of consecutive naturals, for example, 1631748338 + ... + 1631748599.

It is an arithmetic number, because the mean of its divisors is an integer number (107695398954).

Almost surely, 2^427518098747 is an apocalyptic number.

427518098747 is a deficient number, since it is larger than the sum of its proper divisors (3263497069).

427518098747 is a wasteful number, since it uses less digits than its factorization.

427518098747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263497068.

The product of its (nonzero) digits is 31610880, while the sum is 62.

The spelling of 427518098747 in words is "four hundred twenty-seven billion, five hundred eighteen million, ninety-eight thousand, seven hundred forty-seven".