677141172 has 36 divisors (see below), whose sum is σ = 1712510436. Its totient is φ = 225601920.

The previous prime is 677141147. The next prime is 677141207. The reversal of 677141172 is 271141776.

It can be written as a sum of positive squares in 2 ways, for example, as 146023056 + 531118116 = 12084^2 + 23046^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×677141172³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103272 + ... + 109632.

Almost surely, 2^677141172 is an apocalyptic number.

It is an amenable number.

677141172 is an abundant number, since it is smaller than the sum of its proper divisors (1035369264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677141172 is a wasteful number, since it uses less digits than its factorization.

677141172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328 (or 9323 counting only the distinct ones).

The product of its digits is 16464, while the sum is 36.

The square root of 677141172 is about 26021.9363614624. The cubic root of 677141172 is about 878.1318720637.

It can be divided in two parts, 67714 and 1172, that added together give a palindrome (68886).

The spelling of 677141172 in words is "six hundred seventy-seven million, one hundred forty-one thousand, one hundred seventy-two".