477671315687 has 2 divisors, whose sum is σ = 477671315688. Its totient is φ = 477671315686.

The previous prime is 477671315677. The next prime is 477671315699. The reversal of 477671315687 is 786513176774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477671315687 - 2¹⁰ = 477671314663 is a prime.

It is a super-2 number, since 2×477671315687² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477671315677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238835657843 + 238835657844.

It is an arithmetic number, because the mean of its divisors is an integer number (238835657844).

Almost surely, 2^477671315687 is an apocalyptic number.

477671315687 is a deficient number, since it is larger than the sum of its proper divisors (1).

477671315687 is an equidigital number, since it uses as much as digits as its factorization.

477671315687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41489280, while the sum is 62.

The spelling of 477671315687 in words is "four hundred seventy-seven billion, six hundred seventy-one million, three hundred fifteen thousand, six hundred eighty-seven".