422376687 has 10 divisors (see below), whose sum is σ = 630957888. Its totient is φ = 281584404.

The previous prime is 422376671. The next prime is 422376697. The reversal of 422376687 is 786673224.

It is not a de Polignac number, because 422376687 - 2⁴ = 422376671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422376607) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2607183 + ... + 2607344.

Almost surely, 2^422376687 is an apocalyptic number.

422376687 is a deficient number, since it is larger than the sum of its proper divisors (208581201).

422376687 is an equidigital number, since it uses as much as digits as its factorization.

422376687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214539 (or 5214530 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 422376687 is about 20551.8049572294. The cubic root of 422376687 is about 750.2971782312.

The spelling of 422376687 in words is "four hundred twenty-two million, three hundred seventy-six thousand, six hundred eighty-seven".