8870187901 has 2 divisors, whose sum is σ = 8870187902. Its totient is φ = 8870187900.

The previous prime is 8870187881. The next prime is 8870187917. The reversal of 8870187901 is 1097810788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6452105625 + 2418082276 = 80325^2 + 49174^2 .

It is a cyclic number.

It is not a de Polignac number, because 8870187901 - 2⁷ = 8870187773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8870187701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4435093950 + 4435093951.

It is an arithmetic number, because the mean of its divisors is an integer number (4435093951).

Almost surely, 2^8870187901 is an apocalyptic number.

It is an amenable number.

8870187901 is a deficient number, since it is larger than the sum of its proper divisors (1).

8870187901 is an equidigital number, since it uses as much as digits as its factorization.

8870187901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 49.

The square root of 8870187901 is about 94181.6749744875. The cubic root of 8870187901 is about 2070.0346094084.

The spelling of 8870187901 in words is "eight billion, eight hundred seventy million, one hundred eighty-seven thousand, nine hundred one".