47781886466 has 8 divisors (see below), whose sum is σ = 73339639824. Its totient is φ = 23335339860.

The previous prime is 47781886433. The next prime is 47781886499. The reversal of 47781886466 is 66468818774.

It is an interprime number because it is at equal distance from previous prime (47781886433) and next prime (47781886499).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277801580 + ... + 277801751.

It is an arithmetic number, because the mean of its divisors is an integer number (9167454978).

Almost surely, 2^47781886466 is an apocalyptic number.

47781886466 is a deficient number, since it is larger than the sum of its proper divisors (25557753358).

47781886466 is a wasteful number, since it uses less digits than its factorization.

47781886466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555603376.

The product of its digits is 86704128, while the sum is 65.

The spelling of 47781886466 in words is "forty-seven billion, seven hundred eighty-one million, eight hundred eighty-six thousand, four hundred sixty-six".