577620066137 has 4 divisors (see below), whose sum is σ = 602733982080. Its totient is φ = 552506150196.

The previous prime is 577620066083. The next prime is 577620066181. The reversal of 577620066137 is 731660026775.

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-577620066137 is a prime.

It is a super-2 number, since 2×577620066137² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (577620006137) 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, 12556957937 + ... + 12556957982.

It is an arithmetic number, because the mean of its divisors is an integer number (150683495520).

Almost surely, 2^577620066137 is an apocalyptic number.

It is an amenable number.

577620066137 is a deficient number, since it is larger than the sum of its proper divisors (25113915943).

577620066137 is a wasteful number, since it uses less digits than its factorization.

577620066137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25113915942.

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 577620066137 in words is "five hundred seventy-seven billion, six hundred twenty million, sixty-six thousand, one hundred thirty-seven".