47791820106 has 48 divisors (see below), whose sum is σ = 108080459136. Its totient is φ = 15233827488.

The previous prime is 47791820101. The next prime is 47791820137. The reversal of 47791820106 is 60102819774.

It is a happy number.

47791820106 is a `hidden beast` number, since 477 + 91 + 82 + 0 + 10 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (47791820101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1747171 + ... + 1774313.

It is an arithmetic number, because the mean of its divisors is an integer number (2251676232).

Almost surely, 2^47791820106 is an apocalyptic number.

47791820106 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47791820106 is an abundant number, since it is smaller than the sum of its proper divisors (60288639030).

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

47791820106 is a wasteful number, since it uses less digits than its factorization.

47791820106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31427 (or 31424 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 47791820106 in words is "forty-seven billion, seven hundred ninety-one million, eight hundred twenty thousand, one hundred six".