677642748039 has 16 divisors (see below), whose sum is σ = 1013854940640. Its totient is φ = 447288940800.

The previous prime is 677642748037. The next prime is 677642748043. The reversal of 677642748039 is 930847246776.

It is a happy number.

677642748039 is a `hidden beast` number, since 6 + 77 + 64 + 27 + 480 + 3 + 9 = 666.

677642748039 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677642748039 - 2¹ = 677642748037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677642748037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124244202 + ... + 124249655.

It is an arithmetic number, because the mean of its divisors is an integer number (63365933790).

Almost surely, 2^677642748039 is an apocalyptic number.

677642748039 is a deficient number, since it is larger than the sum of its proper divisors (336212192601).

677642748039 is a wasteful number, since it uses less digits than its factorization.

677642748039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248493967 (or 248493961 counting only the distinct ones).

The product of its (nonzero) digits is 85349376, while the sum is 63.

The spelling of 677642748039 in words is "six hundred seventy-seven billion, six hundred forty-two million, seven hundred forty-eight thousand, thirty-nine".