86742925523 has 2 divisors, whose sum is σ = 86742925524. Its totient is φ = 86742925522.

The previous prime is 86742925519. The next prime is 86742925537. The reversal of 86742925523 is 32552924768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86742925523 - 2² = 86742925519 is a prime.

It is not a weakly prime, because it can be changed into another prime (86742925823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43371462761 + 43371462762.

It is an arithmetic number, because the mean of its divisors is an integer number (43371462762).

Almost surely, 2^86742925523 is an apocalyptic number.

86742925523 is a deficient number, since it is larger than the sum of its proper divisors (1).

86742925523 is an equidigital number, since it uses as much as digits as its factorization.

86742925523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 53.

The spelling of 86742925523 in words is "eighty-six billion, seven hundred forty-two million, nine hundred twenty-five thousand, five hundred twenty-three".