47078619623 has 4 divisors (see below), whose sum is σ = 53804136720. Its totient is φ = 40353102528.

The previous prime is 47078619613. The next prime is 47078619629. The reversal of 47078619623 is 32691687074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47078619623 - 2¹⁸ = 47078357479 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 (47078619629) 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, 3362758538 + ... + 3362758551.

It is an arithmetic number, because the mean of its divisors is an integer number (13451034180).

Almost surely, 2^47078619623 is an apocalyptic number.

47078619623 is a deficient number, since it is larger than the sum of its proper divisors (6725517097).

47078619623 is an equidigital number, since it uses as much as digits as its factorization.

47078619623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725517096.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 47078619623 in words is "forty-seven billion, seventy-eight million, six hundred nineteen thousand, six hundred twenty-three".