47729622837 has 8 divisors (see below), whose sum is σ = 68534843104. Its totient is φ = 29372075568.

The previous prime is 47729622803. The next prime is 47729622869. The reversal of 47729622837 is 73822692774.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47729622837 - 2⁷ = 47729622709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47729622137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 611918203 + ... + 611918280.

It is an arithmetic number, because the mean of its divisors is an integer number (8566855388).

Almost surely, 2^47729622837 is an apocalyptic number.

It is an amenable number.

47729622837 is a deficient number, since it is larger than the sum of its proper divisors (20805220267).

47729622837 is a wasteful number, since it uses less digits than its factorization.

47729622837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223836499.

The product of its digits is 14224896, while the sum is 57.

The spelling of 47729622837 in words is "forty-seven billion, seven hundred twenty-nine million, six hundred twenty-two thousand, eight hundred thirty-seven".