677149369 has 24 divisors (see below), whose sum is σ = 754604160. Its totient is φ = 607134528.

The previous prime is 677149357. The next prime is 677149381. The reversal of 677149369 is 963941776.

It is an interprime number because it is at equal distance from previous prime (677149357) and next prime (677149381).

It is not a de Polignac number, because 677149369 - 2¹⁷ = 677018297 is a prime.

It is a super-2 number, since 2×677149369² = 917062535874196322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677149339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 894139 + ... + 894895.

It is an arithmetic number, because the mean of its divisors is an integer number (31441840).

Almost surely, 2^677149369 is an apocalyptic number.

It is an amenable number.

677149369 is a deficient number, since it is larger than the sum of its proper divisors (77454791).

677149369 is a wasteful number, since it uses less digits than its factorization.

677149369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 916 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 52.

The square root of 677149369 is about 26022.0938627160. The cubic root of 677149369 is about 878.1354154006.

The spelling of 677149369 in words is "six hundred seventy-seven million, one hundred forty-nine thousand, three hundred sixty-nine".