87377834651 has 2 divisors, whose sum is σ = 87377834652. Its totient is φ = 87377834650.

The previous prime is 87377834611. The next prime is 87377834671. The reversal of 87377834651 is 15643877378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87377834651 - 2⁶ = 87377834587 is a prime.

It is not a weakly prime, because it can be changed into another prime (87377834611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43688917325 + 43688917326.

It is an arithmetic number, because the mean of its divisors is an integer number (43688917326).

Almost surely, 2^87377834651 is an apocalyptic number.

87377834651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87377834651 is an equidigital number, since it uses as much as digits as its factorization.

87377834651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23708160, while the sum is 59.

The spelling of 87377834651 in words is "eighty-seven billion, three hundred seventy-seven million, eight hundred thirty-four thousand, six hundred fifty-one".