47775615220 has 24 divisors (see below), whose sum is σ = 100347254784. Its totient is φ = 19106729376.

The previous prime is 47775615211. The next prime is 47775615229. The reversal of 47775615220 is 2251657774.

47775615220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47775615211) and next prime (47775615229).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47775615229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106984 + ... + 327103.

It is an arithmetic number, because the mean of its divisors is an integer number (4181135616).

Almost surely, 2^47775615220 is an apocalyptic number.

It is an amenable number.

47775615220 is an abundant number, since it is smaller than the sum of its proper divisors (52571639564).

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

47775615220 is a wasteful number, since it uses less digits than its factorization.

47775615220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439599 (or 439597 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 47775615220 in words is "forty-seven billion, seven hundred seventy-five million, six hundred fifteen thousand, two hundred twenty".