47819697 has 4 divisors (see below), whose sum is σ = 63759600. Its totient is φ = 31879796.

The previous prime is 47819689. The next prime is 47819711. The reversal of 47819697 is 79691874.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47819697 - 2³ = 47819689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47819617) 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, 7969947 + ... + 7969952.

It is an arithmetic number, because the mean of its divisors is an integer number (15939900).

Almost surely, 2^47819697 is an apocalyptic number.

It is an amenable number.

47819697 is a deficient number, since it is larger than the sum of its proper divisors (15939903).

47819697 is a wasteful number, since it uses less digits than its factorization.

47819697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15939902.

The product of its digits is 762048, while the sum is 51.

The square root of 47819697 is about 6915.1787395555. The cubic root of 47819697 is about 362.9685027578.

It can be divided in two parts, 47819 and 697, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 47819697 in words is "forty-seven million, eight hundred nineteen thousand, six hundred ninety-seven".