47899511 has 8 divisors (see below), whose sum is σ = 52990848. Its totient is φ = 42931000.

The previous prime is 47899493. The next prime is 47899519. The reversal of 47899511 is 11599874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47899511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47899519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29885 + ... + 31446.

It is an arithmetic number, because the mean of its divisors is an integer number (6623856).

Almost surely, 2^47899511 is an apocalyptic number.

47899511 is a deficient number, since it is larger than the sum of its proper divisors (5091337).

47899511 is a wasteful number, since it uses less digits than its factorization.

47899511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61413.

The product of its digits is 90720, while the sum is 44.

The square root of 47899511 is about 6920.9472617554. The cubic root of 47899511 is about 363.1703293918.

The spelling of 47899511 in words is "forty-seven million, eight hundred ninety-nine thousand, five hundred eleven".