677428464 has 40 divisors (see below), whose sum is σ = 1751252992. Its totient is φ = 225650880.

The previous prime is 677428463. The next prime is 677428471. The reversal of 677428464 is 464824776.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677428463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78609 + ... + 86799.

Almost surely, 2^677428464 is an apocalyptic number.

It is an amenable number.

677428464 is an abundant number, since it is smaller than the sum of its proper divisors (1073824528).

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

677428464 is a wasteful number, since it uses less digits than its factorization.

677428464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9925 (or 9919 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 48.

The square root of 677428464 is about 26027.4559648076. The cubic root of 677428464 is about 878.2560434094.

The spelling of 677428464 in words is "six hundred seventy-seven million, four hundred twenty-eight thousand, four hundred sixty-four".