75556677 has 12 divisors (see below), whose sum is σ = 117190176. Its totient is φ = 43175160.

The previous prime is 75556669. The next prime is 75556681. The reversal of 75556677 is 77665557.

It is not a de Polignac number, because 75556677 - 2³ = 75556669 is a prime.

It is a super-2 number, since 2×75556677² = 11417622878564658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75556667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256849 + ... + 257142.

It is an arithmetic number, because the mean of its divisors is an integer number (9765848).

Almost surely, 2^75556677 is an apocalyptic number.

It is an amenable number.

75556677 is a deficient number, since it is larger than the sum of its proper divisors (41633499).

75556677 is a wasteful number, since it uses less digits than its factorization.

75556677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514008 (or 514001 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 48.

The square root of 75556677 is about 8692.3343815111. The cubic root of 75556677 is about 422.7571386166.

Adding to 75556677 its product of digits (1543500), we get a palindrome (77100177).

The spelling of 75556677 in words is "seventy-five million, five hundred fifty-six thousand, six hundred seventy-seven".