46782976221 has 8 divisors (see below), whose sum is σ = 69308112960. Its totient is φ = 31188650796.

The previous prime is 46782976187. The next prime is 46782976237. The reversal of 46782976221 is 12267928764.

46782976221 is a `hidden beast` number, since 4 + 6 + 7 + 8 + 2 + 9 + 7 + 622 + 1 = 666.

It is not a de Polignac number, because 46782976221 - 2¹⁴ = 46782959837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46782976421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866351385 + ... + 866351438.

It is an arithmetic number, because the mean of its divisors is an integer number (8663514120).

Almost surely, 2^46782976221 is an apocalyptic number.

It is an amenable number.

46782976221 is a deficient number, since it is larger than the sum of its proper divisors (22525136739).

46782976221 is a wasteful number, since it uses less digits than its factorization.

46782976221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732702832 (or 1732702826 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 46782976221 in words is "forty-six billion, seven hundred eighty-two million, nine hundred seventy-six thousand, two hundred twenty-one".