87193000751 has 2 divisors, whose sum is σ = 87193000752. Its totient is φ = 87193000750.

The previous prime is 87193000711. The next prime is 87193000819. The reversal of 87193000751 is 15700039178.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87193000751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87193000699 and 87193000708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87193000711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43596500375 + 43596500376.

It is an arithmetic number, because the mean of its divisors is an integer number (43596500376).

Almost surely, 2^87193000751 is an apocalyptic number.

87193000751 is a deficient number, since it is larger than the sum of its proper divisors (1).

87193000751 is an equidigital number, since it uses as much as digits as its factorization.

87193000751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 87193000751 in words is "eighty-seven billion, one hundred ninety-three million, seven hundred fifty-one", and thus it is an aban number.