47617157 has 16 divisors (see below), whose sum is σ = 56166912. Its totient is φ = 39523200.

The previous prime is 47617127. The next prime is 47617177. The reversal of 47617157 is 75171674.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47617157 - 2⁶ = 47617093 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 47617157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47617117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32513 + ... + 33945.

It is an arithmetic number, because the mean of its divisors is an integer number (3510432).

Almost surely, 2^47617157 is an apocalyptic number.

47617157 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47617157 is a deficient number, since it is larger than the sum of its proper divisors (8549755).

47617157 is a wasteful number, since it uses less digits than its factorization.

47617157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its digits is 41160, while the sum is 38.

The square root of 47617157 is about 6900.5186036993. The cubic root of 47617157 is about 362.4553273527.

It can be divided in two parts, 47617 and 157, that added together give a palindrome (47774).

The spelling of 47617157 in words is "forty-seven million, six hundred seventeen thousand, one hundred fifty-seven".