76553109 has 48 divisors (see below), whose sum is σ = 121867200. Its totient is φ = 46137600.

The previous prime is 76553107. The next prime is 76553117. The reversal of 76553109 is 90135567.

It is a happy number.

It is not a de Polignac number, because 76553109 - 2¹ = 76553107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76553107) 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 47 ways as a sum of consecutive naturals, for example, 427582 + ... + 427760.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^76553109 is an apocalyptic number.

It is an amenable number.

76553109 is a deficient number, since it is larger than the sum of its proper divisors (45314091).

76553109 is a wasteful number, since it uses less digits than its factorization.

76553109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 76553109 is about 8749.4633549721. The cubic root of 76553109 is about 424.6074511462.

The spelling of 76553109 in words is "seventy-six million, five hundred fifty-three thousand, one hundred nine".