47859640992 has 96 divisors (see below), whose sum is σ = 144404164800. Its totient is φ = 15403094784.

The previous prime is 47859640979. The next prime is 47859640999. The reversal of 47859640992 is 29904695874.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (47859640999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 929998 + ... + 980109.

It is an arithmetic number, because the mean of its divisors is an integer number (1504210050).

Almost surely, 2^47859640992 is an apocalyptic number.

It is an amenable number.

47859640992 is an abundant number, since it is smaller than the sum of its proper divisors (96544523808).

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

47859640992 is a wasteful number, since it uses less digits than its factorization.

47859640992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910155 (or 1910141 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 47859640992 in words is "forty-seven billion, eight hundred fifty-nine million, six hundred forty thousand, nine hundred ninety-two".