677388753 has 6 divisors (see below), whose sum is σ = 978450434. Its totient is φ = 451592496.

The previous prime is 677388743. The next prime is 677388799. The reversal of 677388753 is 357883776.

It can be written as a sum of positive squares in only one way, i.e., 613899729 + 63489024 = 24777^2 + 7968^2 .

It is not a de Polignac number, because 677388753 - 2⁶ = 677388689 is a prime.

It is a super-4 number, since 4×677388753⁴ (a number of 36 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 677388753.

It is not an unprimeable number, because it can be changed into a prime (677388743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37632700 + ... + 37632717.

Almost surely, 2^677388753 is an apocalyptic number.

It is an amenable number.

677388753 is a deficient number, since it is larger than the sum of its proper divisors (301061681).

677388753 is a wasteful number, since it uses less digits than its factorization.

677388753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75265423 (or 75265420 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 677388753 is about 26026.6930861375. The cubic root of 677388753 is about 878.2388818890.

The spelling of 677388753 in words is "six hundred seventy-seven million, three hundred eighty-eight thousand, seven hundred fifty-three".