87530094947 has 2 divisors, whose sum is σ = 87530094948. Its totient is φ = 87530094946.

The previous prime is 87530094943. The next prime is 87530094959. The reversal of 87530094947 is 74949003578.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87530094947 - 2² = 87530094943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87530094892 and 87530094901.

It is not a weakly prime, because it can be changed into another prime (87530094943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43765047473 + 43765047474.

It is an arithmetic number, because the mean of its divisors is an integer number (43765047474).

Almost surely, 2^87530094947 is an apocalyptic number.

87530094947 is a deficient number, since it is larger than the sum of its proper divisors (1).

87530094947 is an equidigital number, since it uses as much as digits as its factorization.

87530094947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 87530094947 in words is "eighty-seven billion, five hundred thirty million, ninety-four thousand, nine hundred forty-seven".