42348877 has 2 divisors, whose sum is σ = 42348878. Its totient is φ = 42348876.

The previous prime is 42348871. The next prime is 42348881. The reversal of 42348877 is 77884324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39300361 + 3048516 = 6269^2 + 1746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42348877 is a prime.

It is a super-2 number, since 2×42348877² = 3586854766322258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42348871) 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 as a sum of consecutive naturals, namely, 21174438 + 21174439.

It is an arithmetic number, because the mean of its divisors is an integer number (21174439).

Almost surely, 2^42348877 is an apocalyptic number.

It is an amenable number.

42348877 is a deficient number, since it is larger than the sum of its proper divisors (1).

42348877 is an equidigital number, since it uses as much as digits as its factorization.

42348877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 43.

The square root of 42348877 is about 6507.6014782714. The cubic root of 42348877 is about 348.5624766628.

The spelling of 42348877 in words is "forty-two million, three hundred forty-eight thousand, eight hundred seventy-seven".