677154312 has 24 divisors (see below), whose sum is σ = 1833959790. Its totient is φ = 225718080.

The previous prime is 677154311. The next prime is 677154337. The reversal of 677154312 is 213451776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 653006916 + 24147396 = 25554^2 + 4914^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (677154311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4702389 + ... + 4702532.

Almost surely, 2^677154312 is an apocalyptic number.

It is an amenable number.

677154312 is an abundant number, since it is smaller than the sum of its proper divisors (1156805478).

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

677154312 is a wasteful number, since it uses less digits than its factorization.

677154312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404933 (or 9404926 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 677154312 is about 26022.1888395269. The cubic root of 677154312 is about 878.1375521093.

It can be divided in two parts, 67715 and 4312, that added together give a palindrome (72027).

The spelling of 677154312 in words is "six hundred seventy-seven million, one hundred fifty-four thousand, three hundred twelve".