675386777 has 4 divisors (see below), whose sum is σ = 727339620. Its totient is φ = 623433936.

The previous prime is 675386741. The next prime is 675386783. The reversal of 675386777 is 777683576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 449906521 + 225480256 = 21211^2 + 15016^2 .

It is a cyclic number.

It is not a de Polignac number, because 675386777 - 2¹⁴ = 675370393 is a prime.

It is a super-2 number, since 2×675386777² = 912294597092895458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675386707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25976402 + ... + 25976427.

It is an arithmetic number, because the mean of its divisors is an integer number (181834905).

Almost surely, 2^675386777 is an apocalyptic number.

It is an amenable number.

675386777 is a deficient number, since it is larger than the sum of its proper divisors (51952843).

675386777 is a wasteful number, since it uses less digits than its factorization.

675386777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51952842.

The product of its digits is 10372320, while the sum is 56.

The square root of 675386777 is about 25988.2045743834. The cubic root of 675386777 is about 877.3728365552.

The spelling of 675386777 in words is "six hundred seventy-five million, three hundred eighty-six thousand, seven hundred seventy-seven".