677285535547 has 2 divisors, whose sum is σ = 677285535548. Its totient is φ = 677285535546.

The previous prime is 677285535541. The next prime is 677285535569. The reversal of 677285535547 is 745535582776.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677285535547 - 2²³ = 677277146939 is a prime.

It is a super-2 number, since 2×677285535547² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (677285535541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338642767773 + 338642767774.

It is an arithmetic number, because the mean of its divisors is an integer number (338642767774).

Almost surely, 2^677285535547 is an apocalyptic number.

677285535547 is a deficient number, since it is larger than the sum of its proper divisors (1).

677285535547 is an equidigital number, since it uses as much as digits as its factorization.

677285535547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960000, while the sum is 64.

The spelling of 677285535547 in words is "six hundred seventy-seven billion, two hundred eighty-five million, five hundred thirty-five thousand, five hundred forty-seven".