71828148087 has 16 divisors (see below), whose sum is σ = 106422434560. Its totient is φ = 47880768600.

The previous prime is 71828148071. The next prime is 71828148089. The reversal of 71828148087 is 78084182817.

It is a happy number.

71828148087 is a `hidden beast` number, since 7 + 1 + 8 + 2 + 81 + 480 + 87 = 666.

It is not a de Polignac number, because 71828148087 - 2⁴ = 71828148071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71828148089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165012 + ... + 413382.

It is an arithmetic number, because the mean of its divisors is an integer number (6651402160).

Almost surely, 2^71828148087 is an apocalyptic number.

71828148087 is a deficient number, since it is larger than the sum of its proper divisors (34594286473).

71828148087 is a wasteful number, since it uses less digits than its factorization.

71828148087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259091 (or 259085 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 54.

The spelling of 71828148087 in words is "seventy-one billion, eight hundred twenty-eight million, one hundred forty-eight thousand, eighty-seven".