677537628 has 48 divisors (see below), whose sum is σ = 1636291104. Its totient is φ = 218050560.

The previous prime is 677537621. The next prime is 677537647. The reversal of 677537628 is 826735776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677537621) 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, 40626 + ... + 54822.

It is an arithmetic number, because the mean of its divisors is an integer number (34089398).

Almost surely, 2^677537628 is an apocalyptic number.

It is an amenable number.

677537628 is an abundant number, since it is smaller than the sum of its proper divisors (958753476).

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

677537628 is a wasteful number, since it uses less digits than its factorization.

677537628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14342 (or 14340 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 51.

The square root of 677537628 is about 26029.5529734953. The cubic root of 677537628 is about 878.3032163083.

The spelling of 677537628 in words is "six hundred seventy-seven million, five hundred thirty-seven thousand, six hundred twenty-eight".