42764500787 has 2 divisors, whose sum is σ = 42764500788. Its totient is φ = 42764500786.

The previous prime is 42764500771. The next prime is 42764500843. The reversal of 42764500787 is 78700546724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42764500787 - 2⁴ = 42764500771 is a prime.

It is a super-3 number, since 3×42764500787³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (42764500087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21382250393 + 21382250394.

It is an arithmetic number, because the mean of its divisors is an integer number (21382250394).

Almost surely, 2^42764500787 is an apocalyptic number.

42764500787 is a deficient number, since it is larger than the sum of its proper divisors (1).

42764500787 is an equidigital number, since it uses as much as digits as its factorization.

42764500787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2634240, while the sum is 50.

The spelling of 42764500787 in words is "forty-two billion, seven hundred sixty-four million, five hundred thousand, seven hundred eighty-seven".