87456238371503 has 2 divisors, whose sum is σ = 87456238371504. Its totient is φ = 87456238371502.

The previous prime is 87456238371499. The next prime is 87456238371521. The reversal of 87456238371503 is 30517383265478.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87456238371503 - 2² = 87456238371499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87456238371553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43728119185751 + 43728119185752.

It is an arithmetic number, because the mean of its divisors is an integer number (43728119185752).

Almost surely, 2^{87456238371503} is an apocalyptic number.

87456238371503 is a deficient number, since it is larger than the sum of its proper divisors (1).

87456238371503 is an equidigital number, since it uses as much as digits as its factorization.

87456238371503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 87456238371503 in words is "eighty-seven trillion, four hundred fifty-six billion, two hundred thirty-eight million, three hundred seventy-one thousand, five hundred three".