477401221237 has 2 divisors, whose sum is σ = 477401221238. Its totient is φ = 477401221236.

The previous prime is 477401221217. The next prime is 477401221259. The reversal of 477401221237 is 732122104774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470539749681 + 6861471556 = 685959^2 + 82834^2 .

It is a cyclic number.

It is not a de Polignac number, because 477401221237 - 2¹¹ = 477401219189 is a prime.

It is a super-3 number, since 3×477401221237³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 477401221237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477401221217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238700610618 + 238700610619.

It is an arithmetic number, because the mean of its divisors is an integer number (238700610619).

Almost surely, 2^477401221237 is an apocalyptic number.

It is an amenable number.

477401221237 is a deficient number, since it is larger than the sum of its proper divisors (1).

477401221237 is an equidigital number, since it uses as much as digits as its factorization.

477401221237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 477401221237 in words is "four hundred seventy-seven billion, four hundred one million, two hundred twenty-one thousand, two hundred thirty-seven".