87749792443 has 2 divisors, whose sum is σ = 87749792444. Its totient is φ = 87749792442.

The previous prime is 87749792411. The next prime is 87749792461. The reversal of 87749792443 is 34429794778.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87749792443 - 2⁵ = 87749792411 is a prime.

It is not a weakly prime, because it can be changed into another prime (87749792243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43874896221 + 43874896222.

It is an arithmetic number, because the mean of its divisors is an integer number (43874896222).

Almost surely, 2^87749792443 is an apocalyptic number.

87749792443 is a deficient number, since it is larger than the sum of its proper divisors (1).

87749792443 is an equidigital number, since it uses as much as digits as its factorization.

87749792443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 64.

The spelling of 87749792443 in words is "eighty-seven billion, seven hundred forty-nine million, seven hundred ninety-two thousand, four hundred forty-three".