42335977 has 4 divisors (see below), whose sum is σ = 42374800. Its totient is φ = 42297156.

The previous prime is 42335963. The next prime is 42335983. The reversal of 42335977 is 77953324.

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 42335977 - 2¹⁹ = 41811689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42335947) 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, 17727 + ... + 19972.

It is an arithmetic number, because the mean of its divisors is an integer number (10593700).

Almost surely, 2^42335977 is an apocalyptic number.

It is an amenable number.

42335977 is a deficient number, since it is larger than the sum of its proper divisors (38823).

42335977 is a wasteful number, since it uses less digits than its factorization.

42335977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38822.

The product of its digits is 158760, while the sum is 40.

The square root of 42335977 is about 6506.6102541953. The cubic root of 42335977 is about 348.5270808987.

The spelling of 42335977 in words is "forty-two million, three hundred thirty-five thousand, nine hundred seventy-seven".