47781348854 has 16 divisors (see below), whose sum is σ = 74036152320. Its totient is φ = 23103717480.

The previous prime is 47781348803. The next prime is 47781348869. The reversal of 47781348854 is 45884318774.

It is a super-2 number, since 2×47781348854² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47781348793 and 47781348802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182564 + ... + 359015.

It is an arithmetic number, because the mean of its divisors is an integer number (4627259520).

Almost surely, 2^47781348854 is an apocalyptic number.

47781348854 is a deficient number, since it is larger than the sum of its proper divisors (26254803466).

47781348854 is a wasteful number, since it uses less digits than its factorization.

47781348854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543035.

The product of its digits is 24084480, while the sum is 59.

The spelling of 47781348854 in words is "forty-seven billion, seven hundred eighty-one million, three hundred forty-eight thousand, eight hundred fifty-four".