75677593409 has 4 divisors (see below), whose sum is σ = 82557374640. Its totient is φ = 68797812180.

The previous prime is 75677593361. The next prime is 75677593447. The reversal of 75677593409 is 90439577657.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75677593409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75677593709) 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, 3439890599 + ... + 3439890620.

It is an arithmetic number, because the mean of its divisors is an integer number (20639343660).

Almost surely, 2^75677593409 is an apocalyptic number.

It is an amenable number.

75677593409 is a deficient number, since it is larger than the sum of its proper divisors (6879781231).

75677593409 is a wasteful number, since it uses less digits than its factorization.

75677593409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879781230.

The product of its (nonzero) digits is 50009400, while the sum is 62.

The spelling of 75677593409 in words is "seventy-five billion, six hundred seventy-seven million, five hundred ninety-three thousand, four hundred nine".