673157577 has 4 divisors (see below), whose sum is σ = 897543440. Its totient is φ = 448771716.

The previous prime is 673157521. The next prime is 673157579. The reversal of 673157577 is 775751376.

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 not a de Polignac number, because 673157577 - 2⁸ = 673157321 is a prime.

It is a super-2 number, since 2×673157577² = 906282246945021858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673157579) 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, 112192927 + ... + 112192932.

It is an arithmetic number, because the mean of its divisors is an integer number (224385860).

Almost surely, 2^673157577 is an apocalyptic number.

It is an amenable number.

673157577 is a deficient number, since it is larger than the sum of its proper divisors (224385863).

673157577 is a wasteful number, since it uses less digits than its factorization.

673157577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224385862.

The product of its digits is 1080450, while the sum is 48.

The square root of 673157577 is about 25945.2804378754. The cubic root of 673157577 is about 876.4064790147.

The spelling of 673157577 in words is "six hundred seventy-three million, one hundred fifty-seven thousand, five hundred seventy-seven".