84726601 has 2 divisors, whose sum is σ = 84726602. Its totient is φ = 84726600.

The previous prime is 84726599. The next prime is 84726611. The reversal of 84726601 is 10662748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57153600 + 27573001 = 7560^2 + 5251^2 .

It is a cyclic number.

It is not a de Polignac number, because 84726601 - 2¹ = 84726599 is a prime.

Together with 84726599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84726611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42363300 + 42363301.

It is an arithmetic number, because the mean of its divisors is an integer number (42363301).

Almost surely, 2^84726601 is an apocalyptic number.

It is an amenable number.

84726601 is a deficient number, since it is larger than the sum of its proper divisors (1).

84726601 is an equidigital number, since it uses as much as digits as its factorization.

84726601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 84726601 is about 9204.7053727971. The cubic root of 84726601 is about 439.2110535034.

The spelling of 84726601 in words is "eighty-four million, seven hundred twenty-six thousand, six hundred one".