84680464907 has 2 divisors, whose sum is σ = 84680464908. Its totient is φ = 84680464906.

The previous prime is 84680464879. The next prime is 84680464933. The reversal of 84680464907 is 70946408648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84680464907 is a prime.

It is a super-2 number, since 2×84680464907² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84680464997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42340232453 + 42340232454.

It is an arithmetic number, because the mean of its divisors is an integer number (42340232454).

Almost surely, 2^84680464907 is an apocalyptic number.

84680464907 is a deficient number, since it is larger than the sum of its proper divisors (1).

84680464907 is an equidigital number, since it uses as much as digits as its factorization.

84680464907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 84680464907 in words is "eighty-four billion, six hundred eighty million, four hundred sixty-four thousand, nine hundred seven".