47122492477 has 8 divisors (see below), whose sum is σ = 49683553760. Its totient is φ = 44569524240.

The previous prime is 47122492453. The next prime is 47122492489. The reversal of 47122492477 is 77429422174.

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 47122492477 - 2¹⁹ = 47121968189 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 47122492477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47122492177) 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, 2011299 + ... + 2034592.

It is an arithmetic number, because the mean of its divisors is an integer number (6210444220).

Almost surely, 2^47122492477 is an apocalyptic number.

It is an amenable number.

47122492477 is a deficient number, since it is larger than the sum of its proper divisors (2561061283).

47122492477 is a wasteful number, since it uses less digits than its factorization.

47122492477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046523.

The product of its digits is 1580544, while the sum is 49.

The spelling of 47122492477 in words is "forty-seven billion, one hundred twenty-two million, four hundred ninety-two thousand, four hundred seventy-seven".