46621748787 has 16 divisors (see below), whose sum is σ = 65836431360. Its totient is φ = 29245087872.

The previous prime is 46621748777. The next prime is 46621748791. The reversal of 46621748787 is 78784712664.

It is a de Polignac number, because none of the positive numbers 2^k-46621748787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46621748787.

It is not an unprimeable number, because it can be changed into a prime (46621748707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75414 + ... + 314532.

It is an arithmetic number, because the mean of its divisors is an integer number (4114776960).

Almost surely, 2^46621748787 is an apocalyptic number.

46621748787 is a deficient number, since it is larger than the sum of its proper divisors (19214682573).

46621748787 is a wasteful number, since it uses less digits than its factorization.

46621748787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242962.

The product of its digits is 25288704, while the sum is 60.

The spelling of 46621748787 in words is "forty-six billion, six hundred twenty-one million, seven hundred forty-eight thousand, seven hundred eighty-seven".