87320124743 has 2 divisors, whose sum is σ = 87320124744. Its totient is φ = 87320124742.

The previous prime is 87320124721. The next prime is 87320124757. The reversal of 87320124743 is 34742102378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87320124743 - 2⁶ = 87320124679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87320124743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87320124343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43660062371 + 43660062372.

It is an arithmetic number, because the mean of its divisors is an integer number (43660062372).

Almost surely, 2^87320124743 is an apocalyptic number.

87320124743 is a deficient number, since it is larger than the sum of its proper divisors (1).

87320124743 is an equidigital number, since it uses as much as digits as its factorization.

87320124743 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 41.

The spelling of 87320124743 in words is "eighty-seven billion, three hundred twenty million, one hundred twenty-four thousand, seven hundred forty-three".