47501617902 has 16 divisors (see below), whose sum is σ = 95015354832. Its totient is φ = 15831852800.

The previous prime is 47501617871. The next prime is 47501617903. The reversal of 47501617902 is 20971610574.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47501617903) 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 7 ways as a sum of consecutive naturals, for example, 453603 + ... + 548414.

It is an arithmetic number, because the mean of its divisors is an integer number (5938459677).

Almost surely, 2^47501617902 is an apocalyptic number.

47501617902 is an abundant number, since it is smaller than the sum of its proper divisors (47513736930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47501617902 is a wasteful number, since it uses less digits than its factorization.

47501617902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009923.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 47501617902 in words is "forty-seven billion, five hundred one million, six hundred seventeen thousand, nine hundred two".