47205257772 has 48 divisors (see below), whose sum is σ = 111239987040. Its totient is φ = 15579045888.

The previous prime is 47205257767. The next prime is 47205257777. The reversal of 47205257772 is 27775250274.

It is an interprime number because it is at equal distance from previous prime (47205257767) and next prime (47205257777).

It is a super-2 number, since 2×47205257772² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47205257777) 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 15 ways as a sum of consecutive naturals, for example, 1274004 + ... + 1310532.

It is an arithmetic number, because the mean of its divisors is an integer number (2317499730).

Almost surely, 2^47205257772 is an apocalyptic number.

It is an amenable number.

47205257772 is an abundant number, since it is smaller than the sum of its proper divisors (64034729268).

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

47205257772 is a wasteful number, since it uses less digits than its factorization.

47205257772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37602 (or 37600 counting only the distinct ones).

The product of its (nonzero) digits is 1920800, while the sum is 48.

The spelling of 47205257772 in words is "forty-seven billion, two hundred five million, two hundred fifty-seven thousand, seven hundred seventy-two".