42795977 has 4 divisors (see below), whose sum is σ = 48909696. Its totient is φ = 36682260.

The previous prime is 42795971. The next prime is 42795979. The reversal of 42795977 is 77959724.

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 not a de Polignac number, because 42795977 - 2¹⁰ = 42794953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42795971) 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 3 ways as a sum of consecutive naturals, for example, 3056849 + ... + 3056862.

It is an arithmetic number, because the mean of its divisors is an integer number (12227424).

Almost surely, 2^42795977 is an apocalyptic number.

It is an amenable number.

42795977 is a deficient number, since it is larger than the sum of its proper divisors (6113719).

42795977 is an equidigital number, since it uses as much as digits as its factorization.

42795977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113718.

The product of its digits is 1111320, while the sum is 50.

The square root of 42795977 is about 6541.8634195465. The cubic root of 42795977 is about 349.7848391866.

The spelling of 42795977 in words is "forty-two million, seven hundred ninety-five thousand, nine hundred seventy-seven".