42356307987 has 12 divisors (see below), whose sum is σ = 69921524400. Its totient is φ = 24203604528.

The previous prime is 42356307979. The next prime is 42356307991. The reversal of 42356307987 is 78970365324.

42356307987 is a `hidden beast` number, since 4 + 2 + 3 + 563 + 0 + 79 + 8 + 7 = 666.

42356307987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42356307987 - 2³ = 42356307979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42356307887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336161112 + ... + 336161237.

It is an arithmetic number, because the mean of its divisors is an integer number (5826793700).

Almost surely, 2^42356307987 is an apocalyptic number.

42356307987 is a deficient number, since it is larger than the sum of its proper divisors (27565216413).

42356307987 is a wasteful number, since it uses less digits than its factorization.

42356307987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672322362 (or 672322359 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 42356307987 in words is "forty-two billion, three hundred fifty-six million, three hundred seven thousand, nine hundred eighty-seven".