87850787 has 2 divisors, whose sum is σ = 87850788. Its totient is φ = 87850786.

The previous prime is 87850759. The next prime is 87850793. The reversal of 87850787 is 78705878.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87850787 - 2⁶ = 87850723 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (87850717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43925393 + 43925394.

It is an arithmetic number, because the mean of its divisors is an integer number (43925394).

Almost surely, 2^87850787 is an apocalyptic number.

87850787 is a deficient number, since it is larger than the sum of its proper divisors (1).

87850787 is an equidigital number, since it uses as much as digits as its factorization.

87850787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 878080, while the sum is 50.

The square root of 87850787 is about 9372.8750658483. The cubic root of 87850787 is about 444.5444768425.

The spelling of 87850787 in words is "eighty-seven million, eight hundred fifty thousand, seven hundred eighty-seven".