47121077900 has 72 divisors (see below), whose sum is σ = 110246006304. Its totient is φ = 17378380800.

The previous prime is 47121077893. The next prime is 47121077917. The reversal of 47121077900 is 977012174.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1124729 + ... + 1165871.

It is an arithmetic number, because the mean of its divisors is an integer number (1531194532).

Almost surely, 2^47121077900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47121077900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55123003152).

47121077900 is an abundant number, since it is smaller than the sum of its proper divisors (63124928404).

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

47121077900 is a wasteful number, since it uses less digits than its factorization.

47121077900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42051 (or 42044 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 38.

The spelling of 47121077900 in words is "forty-seven billion, one hundred twenty-one million, seventy-seven thousand, nine hundred".