47878164719 has 16 divisors (see below), whose sum is σ = 60307650816. Its totient is φ = 36923040000.

The previous prime is 47878164709. The next prime is 47878164731. The reversal of 47878164719 is 91746187874.

It is not a de Polignac number, because 47878164719 - 2¹² = 47878160623 is a prime.

It is a super-2 number, since 2×47878164719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47878164709) 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, 3197657 + ... + 3212594.

It is an arithmetic number, because the mean of its divisors is an integer number (3769228176).

Almost surely, 2^47878164719 is an apocalyptic number.

47878164719 is a deficient number, since it is larger than the sum of its proper divisors (12429486097).

47878164719 is a wasteful number, since it uses less digits than its factorization.

47878164719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410366.

The product of its digits is 18966528, while the sum is 62.

The spelling of 47878164719 in words is "forty-seven billion, eight hundred seventy-eight million, one hundred sixty-four thousand, seven hundred nineteen".