47574742477 has 4 divisors (see below), whose sum is σ = 47591803260. Its totient is φ = 47557681696.

The previous prime is 47574742393. The next prime is 47574742483. The reversal of 47574742477 is 77424747574.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39259855881 + 8314886596 = 198141^2 + 91186^2 .

It is a cyclic number.

It is not a de Polignac number, because 47574742477 - 2¹⁹ = 47574218189 is a prime.

It is a super-2 number, since 2×47574742477² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47574742177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8526208 + ... + 8531785.

It is an arithmetic number, because the mean of its divisors is an integer number (11897950815).

Almost surely, 2^47574742477 is an apocalyptic number.

It is an amenable number.

47574742477 is a deficient number, since it is larger than the sum of its proper divisors (17060783).

47574742477 is a wasteful number, since it uses less digits than its factorization.

47574742477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17060782.

The product of its digits is 43025920, while the sum is 58.

The spelling of 47574742477 in words is "forty-seven billion, five hundred seventy-four million, seven hundred forty-two thousand, four hundred seventy-seven".