87152843 has 2 divisors, whose sum is σ = 87152844. Its totient is φ = 87152842.

The previous prime is 87152831. The next prime is 87152881. The reversal of 87152843 is 34825178.

It is an a-pointer prime, because the next prime (87152881) can be obtained adding 87152843 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87152843 - 2⁸ = 87152587 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 87152797 and 87152806.

It is not a weakly prime, because it can be changed into another prime (87158843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43576421 + 43576422.

It is an arithmetic number, because the mean of its divisors is an integer number (43576422).

Almost surely, 2^87152843 is an apocalyptic number.

87152843 is a deficient number, since it is larger than the sum of its proper divisors (1).

87152843 is an equidigital number, since it uses as much as digits as its factorization.

87152843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 87152843 is about 9335.5687025483. The cubic root of 87152843 is about 443.3640948875.

The spelling of 87152843 in words is "eighty-seven million, one hundred fifty-two thousand, eight hundred forty-three".