87820302607 has 2 divisors, whose sum is σ = 87820302608. Its totient is φ = 87820302606.

The previous prime is 87820302587. The next prime is 87820302643. The reversal of 87820302607 is 70620302878.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87820302607 - 2²³ = 87811913999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87820308607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43910151303 + 43910151304.

It is an arithmetic number, because the mean of its divisors is an integer number (43910151304).

Almost surely, 2^87820302607 is an apocalyptic number.

87820302607 is a deficient number, since it is larger than the sum of its proper divisors (1).

87820302607 is an equidigital number, since it uses as much as digits as its factorization.

87820302607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 87820302607 in words is "eighty-seven billion, eight hundred twenty million, three hundred two thousand, six hundred seven".