42477477 has 8 divisors (see below), whose sum is σ = 64727616. Its totient is φ = 24272832.

The previous prime is 42477467. The next prime is 42477493. The reversal of 42477477 is 77477424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42477477 - 2⁷ = 42477349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42477467) 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 7 ways as a sum of consecutive naturals, for example, 1011348 + ... + 1011389.

It is an arithmetic number, because the mean of its divisors is an integer number (8090952).

Almost surely, 2^42477477 is an apocalyptic number.

It is an amenable number.

42477477 is a deficient number, since it is larger than the sum of its proper divisors (22250139).

42477477 is a wasteful number, since it uses less digits than its factorization.

42477477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022747.

The product of its digits is 307328, while the sum is 42.

The square root of 42477477 is about 6517.4747410328. The cubic root of 42477477 is about 348.9149443933.

The spelling of 42477477 in words is "forty-two million, four hundred seventy-seven thousand, four hundred seventy-seven".