42770383 has 2 divisors, whose sum is σ = 42770384. Its totient is φ = 42770382.

The previous prime is 42770353. The next prime is 42770407. The reversal of 42770383 is 38307724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42770383 - 2²⁵ = 9215951 is a prime.

It is equal to p_2591539 and since 42770383 and 2591539 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42770353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21385191 + 21385192.

It is an arithmetic number, because the mean of its divisors is an integer number (21385192).

Almost surely, 2^42770383 is an apocalyptic number.

42770383 is a deficient number, since it is larger than the sum of its proper divisors (1).

42770383 is an equidigital number, since it uses as much as digits as its factorization.

42770383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 42770383 is about 6539.9069565247. The cubic root of 42770383 is about 349.7150960390.

The spelling of 42770383 in words is "forty-two million, seven hundred seventy thousand, three hundred eighty-three".