47877621584 has 40 divisors (see below), whose sum is σ = 100489688040. Its totient is φ = 22097347584.

The previous prime is 47877621581. The next prime is 47877621587. The reversal of 47877621584 is 48512677874.

It is an interprime number because it is at equal distance from previous prime (47877621581) and next prime (47877621587).

It can be written as a sum of positive squares in 4 ways, for example, as 12823297600 + 35054323984 = 113240^2 + 187228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47877621581) 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, 645857 + ... + 716160.

It is an arithmetic number, because the mean of its divisors is an integer number (2512242201).

Almost surely, 2^47877621584 is an apocalyptic number.

It is an amenable number.

47877621584 is an abundant number, since it is smaller than the sum of its proper divisors (52612066456).

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

47877621584 is a wasteful number, since it uses less digits than its factorization.

47877621584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362064 (or 1362032 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 59.

The spelling of 47877621584 in words is "forty-seven billion, eight hundred seventy-seven million, six hundred twenty-one thousand, five hundred eighty-four".