677668071368 has 16 divisors (see below), whose sum is σ = 1270637358000. Its totient is φ = 338831442576.

The previous prime is 677668071337. The next prime is 677668071449. The reversal of 677668071368 is 863170866776.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1218263 + ... + 1685081.

It is an arithmetic number, because the mean of its divisors is an integer number (79414834875).

Almost surely, 2^677668071368 is an apocalyptic number.

It is an amenable number.

677668071368 is a deficient number, since it is larger than the sum of its proper divisors (592969286632).

677668071368 is a wasteful number, since it uses less digits than its factorization.

677668071368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648284 (or 648280 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 677668071368 in words is "six hundred seventy-seven billion, six hundred sixty-eight million, seventy-one thousand, three hundred sixty-eight".