677716511387 has 8 divisors (see below), whose sum is σ = 716345913360. Its totient is φ = 639383120640.

The previous prime is 677716511383. The next prime is 677716511413. The reversal of 677716511387 is 783115617776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677716511387 - 2² = 677716511383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677716511383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73998098 + ... + 74007255.

It is an arithmetic number, because the mean of its divisors is an integer number (89543239170).

Almost surely, 2^677716511387 is an apocalyptic number.

677716511387 is a deficient number, since it is larger than the sum of its proper divisors (38629401973).

677716511387 is a wasteful number, since it uses less digits than its factorization.

677716511387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148005613.

The product of its digits is 10372320, while the sum is 59.

The spelling of 677716511387 in words is "six hundred seventy-seven billion, seven hundred sixteen million, five hundred eleven thousand, three hundred eighty-seven".