87000101010139 has 2 divisors, whose sum is σ = 87000101010140. Its totient is φ = 87000101010138.

The previous prime is 87000101010077. The next prime is 87000101010211. The reversal of 87000101010139 is 93101010100078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87000101010139 - 2¹¹ = 87000101008091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87000101010139.

It is not a weakly prime, because it can be changed into another prime (87000101010239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43500050505069 + 43500050505070.

It is an arithmetic number, because the mean of its divisors is an integer number (43500050505070).

Almost surely, 2^{87000101010139} is an apocalyptic number.

87000101010139 is a deficient number, since it is larger than the sum of its proper divisors (1).

87000101010139 is an equidigital number, since it uses as much as digits as its factorization.

87000101010139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 87000101010139 in words is "eighty-seven trillion, one hundred one million, ten thousand, one hundred thirty-nine".