87023377901 has 2 divisors, whose sum is σ = 87023377902. Its totient is φ = 87023377900.

The previous prime is 87023377849. The next prime is 87023377963. The reversal of 87023377901 is 10977332078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56310815401 + 30712562500 = 237299^2 + 175250^2 .

It is a cyclic number.

It is not a de Polignac number, because 87023377901 - 2¹⁰ = 87023376877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87023376901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43511688950 + 43511688951.

It is an arithmetic number, because the mean of its divisors is an integer number (43511688951).

Almost surely, 2^87023377901 is an apocalyptic number.

It is an amenable number.

87023377901 is a deficient number, since it is larger than the sum of its proper divisors (1).

87023377901 is an equidigital number, since it uses as much as digits as its factorization.

87023377901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 444528, while the sum is 47.

The spelling of 87023377901 in words is "eighty-seven billion, twenty-three million, three hundred seventy-seven thousand, nine hundred one".