87695876376881 has 2 divisors, whose sum is σ = 87695876376882. Its totient is φ = 87695876376880.

The previous prime is 87695876376869. The next prime is 87695876376917. The reversal of 87695876376881 is 18867367859678.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51363251577856 + 36332624799025 = 7166816^2 + 6027655^2 .

It is a cyclic number.

It is not a de Polignac number, because 87695876376881 - 2³⁴ = 87678696507697 is a prime.

It is a super-2 number, since 2×87695876376881² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87695876376841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43847938188440 + 43847938188441.

It is an arithmetic number, because the mean of its divisors is an integer number (43847938188441).

Almost surely, 2^{87695876376881} is an apocalyptic number.

It is an amenable number.

87695876376881 is a deficient number, since it is larger than the sum of its proper divisors (1).

87695876376881 is an equidigital number, since it uses as much as digits as its factorization.

87695876376881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40967700480, while the sum is 89.

The spelling of 87695876376881 in words is "eighty-seven trillion, six hundred ninety-five billion, eight hundred seventy-six million, three hundred seventy-six thousand, eight hundred eighty-one".