677067817331 has 4 divisors (see below), whose sum is σ = 677115997272. Its totient is φ = 677019637392.

The previous prime is 677067817297. The next prime is 677067817397. The reversal of 677067817331 is 133718760776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 677067817331 - 2³⁴ = 659887948147 is a prime.

It is a super-2 number, since 2×677067817331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677067817831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24068885 + ... + 24096998.

It is an arithmetic number, because the mean of its divisors is an integer number (169278999318).

Almost surely, 2^677067817331 is an apocalyptic number.

677067817331 is a deficient number, since it is larger than the sum of its proper divisors (48179941).

677067817331 is a wasteful number, since it uses less digits than its factorization.

677067817331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48179940.

The product of its (nonzero) digits is 6223392, while the sum is 56.

The spelling of 677067817331 in words is "six hundred seventy-seven billion, sixty-seven million, eight hundred seventeen thousand, three hundred thirty-one".