87294412823 has 2 divisors, whose sum is σ = 87294412824. Its totient is φ = 87294412822.

The previous prime is 87294412739. The next prime is 87294412847. The reversal of 87294412823 is 32821449278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87294412823 - 2¹² = 87294408727 is a prime.

It is a super-2 number, since 2×87294412823² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87294412853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43647206411 + 43647206412.

It is an arithmetic number, because the mean of its divisors is an integer number (43647206412).

Almost surely, 2^87294412823 is an apocalyptic number.

87294412823 is a deficient number, since it is larger than the sum of its proper divisors (1).

87294412823 is an equidigital number, since it uses as much as digits as its factorization.

87294412823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 50.

The spelling of 87294412823 in words is "eighty-seven billion, two hundred ninety-four million, four hundred twelve thousand, eight hundred twenty-three".