677306545 has 8 divisors (see below), whose sum is σ = 831669696. Its totient is φ = 529244016.

The previous prime is 677306543. The next prime is 677306603. The reversal of 677306545 is 545603776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 677306545 - 2¹ = 677306543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677306543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574917 + ... + 1575346.

It is an arithmetic number, because the mean of its divisors is an integer number (103958712).

Almost surely, 2^677306545 is an apocalyptic number.

It is an amenable number.

677306545 is a deficient number, since it is larger than the sum of its proper divisors (154363151).

677306545 is a wasteful number, since it uses less digits than its factorization.

677306545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150311.

The product of its (nonzero) digits is 529200, while the sum is 43.

The square root of 677306545 is about 26025.1137365430. The cubic root of 677306545 is about 878.2033527178.

The spelling of 677306545 in words is "six hundred seventy-seven million, three hundred six thousand, five hundred forty-five".