76565101 has 4 divisors (see below), whose sum is σ = 77614012. Its totient is φ = 75516192.

The previous prime is 76565077. The next prime is 76565119. The reversal of 76565101 is 10156567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10156567 = 2287 ⋅4441.

It can be written as a sum of positive squares in 2 ways, for example, as 43903876 + 32661225 = 6626^2 + 5715^2 .

It is a cyclic number.

It is not a de Polignac number, because 76565101 - 2²¹ = 74467949 is a prime.

It is a super-2 number, since 2×76565101² = 11724429382280402, which contains 22 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 (76565131) 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 3 ways as a sum of consecutive naturals, for example, 524346 + ... + 524491.

It is an arithmetic number, because the mean of its divisors is an integer number (19403503).

Almost surely, 2^76565101 is an apocalyptic number.

It is an amenable number.

76565101 is a deficient number, since it is larger than the sum of its proper divisors (1048911).

76565101 is a wasteful number, since it uses less digits than its factorization.

76565101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048910.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 76565101 is about 8750.1486273091. The cubic root of 76565101 is about 424.6296214920.

The spelling of 76565101 in words is "seventy-six million, five hundred sixty-five thousand, one hundred one".