28881967467607 has 2 divisors, whose sum is σ = 28881967467608. Its totient is φ = 28881967467606.

The previous prime is 28881967467599. The next prime is 28881967467707. The reversal of 28881967467607 is 70676476918882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28881967467607 - 2³ = 28881967467599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28881967467407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14440983733803 + 14440983733804.

It is an arithmetic number, because the mean of its divisors is an integer number (14440983733804).

Almost surely, 2^{28881967467607} is an apocalyptic number.

28881967467607 is a deficient number, since it is larger than the sum of its proper divisors (1).

28881967467607 is an equidigital number, since it uses as much as digits as its factorization.

28881967467607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2731180032, while the sum is 79.

The spelling of 28881967467607 in words is "twenty-eight trillion, eight hundred eighty-one billion, nine hundred sixty-seven million, four hundred sixty-seven thousand, six hundred seven".