47821746870 has 64 divisors (see below), whose sum is σ = 130635046080. Its totient is φ = 12441427200.

The previous prime is 47821746853. The next prime is 47821746877. The reversal of 47821746870 is 7864712874.

47821746870 is a `hidden beast` number, since 478 + 21 + 74 + 6 + 87 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821746877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2148901 + ... + 2171040.

It is an arithmetic number, because the mean of its divisors is an integer number (2041172595).

Almost surely, 2^47821746870 is an apocalyptic number.

47821746870 is an abundant number, since it is smaller than the sum of its proper divisors (82813299210).

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

47821746870 is a wasteful number, since it uses less digits than its factorization.

47821746870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319998 (or 4319992 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 47821746870 in words is "forty-seven billion, eight hundred twenty-one million, seven hundred forty-six thousand, eight hundred seventy".