75677277657 has 12 divisors (see below), whose sum is σ = 102642258800. Its totient is φ = 49596401112.

The previous prime is 75677277623. The next prime is 75677277667.

75677277657 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75677277657 - 2¹² = 75677273561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75677277667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3612907 + ... + 3633792.

Almost surely, 2^75677277657 is an apocalyptic number.

It is an amenable number.

75677277657 is a deficient number, since it is larger than the sum of its proper divisors (26964981143).

75677277657 is an equidigital number, since it uses as much as digits as its factorization.

75677277657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246820 (or 7246761 counting only the distinct ones).

The product of its digits is 211768200, while the sum is 66.

The spelling of 75677277657 in words is "seventy-five billion, six hundred seventy-seven million, two hundred seventy-seven thousand, six hundred fifty-seven".