677322986871 has 8 divisors (see below), whose sum is σ = 913244477040. Its totient is φ = 446475077312.

The previous prime is 677322986861. The next prime is 677322986881. The reversal of 677322986871 is 178689223776.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (677322986861) and next prime (677322986881).

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 677322986871 - 2²¹ = 677320889719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677322986861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268394840 + ... + 1268395373.

It is an arithmetic number, because the mean of its divisors is an integer number (114155559630).

Almost surely, 2^677322986871 is an apocalyptic number.

677322986871 is a deficient number, since it is larger than the sum of its proper divisors (235921490169).

677322986871 is a wasteful number, since it uses less digits than its factorization.

677322986871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536790305.

The product of its digits is 85349376, while the sum is 66.

The spelling of 677322986871 in words is "six hundred seventy-seven billion, three hundred twenty-two million, nine hundred eighty-six thousand, eight hundred seventy-one".