87396574451 has 2 divisors, whose sum is σ = 87396574452. Its totient is φ = 87396574450.

The previous prime is 87396574429. The next prime is 87396574457. The reversal of 87396574451 is 15447569378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87396574451 - 2⁶ = 87396574387 is a prime.

It is a super-2 number, since 2×87396574451² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87396574457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43698287225 + 43698287226.

It is an arithmetic number, because the mean of its divisors is an integer number (43698287226).

Almost surely, 2^87396574451 is an apocalyptic number.

87396574451 is a deficient number, since it is larger than the sum of its proper divisors (1).

87396574451 is an equidigital number, since it uses as much as digits as its factorization.

87396574451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 59.

The spelling of 87396574451 in words is "eighty-seven billion, three hundred ninety-six million, five hundred seventy-four thousand, four hundred fifty-one".