42087594771 has 12 divisors (see below), whose sum is σ = 61201202400. Its totient is φ = 27870084240.

The previous prime is 42087594763. The next prime is 42087594779. The reversal of 42087594771 is 17749578024.

42087594771 is a `hidden beast` number, since 42 + 0 + 8 + 7 + 594 + 7 + 7 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (42087594763) and next prime (42087594779).

It is not a de Polignac number, because 42087594771 - 2³ = 42087594763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42087594779) 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, 15691275 + ... + 15693956.

It is an arithmetic number, because the mean of its divisors is an integer number (5100100200).

Almost surely, 2^42087594771 is an apocalyptic number.

42087594771 is a deficient number, since it is larger than the sum of its proper divisors (19113607629).

42087594771 is a wasteful number, since it uses less digits than its factorization.

42087594771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31385386 (or 31385383 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 42087594771 in words is "forty-two billion, eighty-seven million, five hundred ninety-four thousand, seven hundred seventy-one".