677136281469 has 16 divisors (see below), whose sum is σ = 924014490432. Its totient is φ = 440844985728.

The previous prime is 677136281461. The next prime is 677136281477. The reversal of 677136281469 is 964182631776.

It is an interprime number because it is at equal distance from previous prime (677136281461) and next prime (677136281477).

It is not a de Polignac number, because 677136281469 - 2³ = 677136281461 is a prime.

It is a super-2 number, since 2×677136281469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677136281461) 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, 227337 + ... + 1185729.

It is an arithmetic number, because the mean of its divisors is an integer number (57750905652).

Almost surely, 2^677136281469 is an apocalyptic number.

It is an amenable number.

677136281469 is a deficient number, since it is larger than the sum of its proper divisors (246878208963).

677136281469 is a wasteful number, since it uses less digits than its factorization.

677136281469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963916.

The product of its digits is 18289152, while the sum is 60.

The spelling of 677136281469 in words is "six hundred seventy-seven billion, one hundred thirty-six million, two hundred eighty-one thousand, four hundred sixty-nine".