47815915830 has 16 divisors (see below), whose sum is σ = 114758198064. Its totient is φ = 12750910880.

The previous prime is 47815915811. The next prime is 47815915837. The reversal of 47815915830 is 3851951874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47815915837) 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, 796931901 + ... + 796931960.

It is an arithmetic number, because the mean of its divisors is an integer number (7172387379).

Almost surely, 2^47815915830 is an apocalyptic number.

47815915830 is an abundant number, since it is smaller than the sum of its proper divisors (66942282234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47815915830 is a wasteful number, since it uses less digits than its factorization.

47815915830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593863871.

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 47815915830 in words is "forty-seven billion, eight hundred fifteen million, nine hundred fifteen thousand, eight hundred thirty".