75555677 has 4 divisors (see below), whose sum is σ = 75584736. Its totient is φ = 75526620.

The previous prime is 75555671. The next prime is 75555703. The reversal of 75555677 is 77655557.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77655557 = 7 ⋅11093651.

It is a cyclic number.

It is not a de Polignac number, because 75555677 - 2¹⁶ = 75490141 is a prime.

It is a super-3 number, since 3×75555677³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75555671) 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, 10199 + ... + 15972.

It is an arithmetic number, because the mean of its divisors is an integer number (18896184).

Almost surely, 2^75555677 is an apocalyptic number.

It is an amenable number.

75555677 is a deficient number, since it is larger than the sum of its proper divisors (29059).

75555677 is a wasteful number, since it uses less digits than its factorization.

75555677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29058.

The product of its digits is 1286250, while the sum is 47.

The square root of 75555677 is about 8692.2768593735. The cubic root of 75555677 is about 422.7552735311.

The spelling of 75555677 in words is "seventy-five million, five hundred fifty-five thousand, six hundred seventy-seven".