47572235377 has 4 divisors (see below), whose sum is σ = 47612517876. Its totient is φ = 47531952880.

The previous prime is 47572235369. The next prime is 47572235407. The reversal of 47572235377 is 77353227574.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29575744576 + 17996490801 = 171976^2 + 134151^2 .

It is a cyclic number.

It is not a de Polignac number, because 47572235377 - 2³ = 47572235369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47572235327) 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 3 ways as a sum of consecutive naturals, for example, 20139478 + ... + 20141839.

It is an arithmetic number, because the mean of its divisors is an integer number (11903129469).

Almost surely, 2^47572235377 is an apocalyptic number.

It is an amenable number.

47572235377 is a deficient number, since it is larger than the sum of its proper divisors (40282499).

47572235377 is a wasteful number, since it uses less digits than its factorization.

47572235377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40282498.

The product of its digits is 8643600, while the sum is 52.

The spelling of 47572235377 in words is "forty-seven billion, five hundred seventy-two million, two hundred thirty-five thousand, three hundred seventy-seven".