87850801 has 2 divisors, whose sum is σ = 87850802. Its totient is φ = 87850800.

The previous prime is 87850799. The next prime is 87850817. The reversal of 87850801 is 10805878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 409600 = 9351^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 87850801 - 2¹ = 87850799 is a prime.

Together with 87850799, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87850871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43925400 + 43925401.

It is an arithmetic number, because the mean of its divisors is an integer number (43925401).

Almost surely, 2^87850801 is an apocalyptic number.

It is an amenable number.

87850801 is a deficient number, since it is larger than the sum of its proper divisors (1).

87850801 is an equidigital number, since it uses as much as digits as its factorization.

87850801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 87850801 is about 9372.8758126842. The cubic root of 87850801 is about 444.5445004569.

The spelling of 87850801 in words is "eighty-seven million, eight hundred fifty thousand, eight hundred one".