47945777973 has 8 divisors (see below), whose sum is σ = 64560651936. Its totient is φ = 31647378000.

The previous prime is 47945777963. The next prime is 47945778131. The reversal of 47945777973 is 37977754974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47945777973 - 2²¹ = 47943680821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47945777898 and 47945777907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47945777903) 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, 79118143 + ... + 79118748.

It is an arithmetic number, because the mean of its divisors is an integer number (8070081492).

Almost surely, 2^47945777973 is an apocalyptic number.

It is an amenable number.

47945777973 is a deficient number, since it is larger than the sum of its proper divisors (16614873963).

47945777973 is a wasteful number, since it uses less digits than its factorization.

47945777973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158236995.

The product of its digits is 326728080, while the sum is 69.

The spelling of 47945777973 in words is "forty-seven billion, nine hundred forty-five million, seven hundred seventy-seven thousand, nine hundred seventy-three".