84670801 has 2 divisors, whose sum is σ = 84670802. Its totient is φ = 84670800.

The previous prime is 84670799. The next prime is 84670811. The reversal of 84670801 is 10807648.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 27290176 = 7575^2 + 5224^2 .

It is a cyclic number.

It is not a de Polignac number, because 84670801 - 2¹ = 84670799 is a prime.

Together with 84670799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (84670811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42335400 + 42335401.

It is an arithmetic number, because the mean of its divisors is an integer number (42335401).

Almost surely, 2^84670801 is an apocalyptic number.

It is an amenable number.

84670801 is a deficient number, since it is larger than the sum of its proper divisors (1).

84670801 is an equidigital number, since it uses as much as digits as its factorization.

84670801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 84670801 is about 9201.6738151273. The cubic root of 84670801 is about 439.1146124853.

The spelling of 84670801 in words is "eighty-four million, six hundred seventy thousand, eight hundred one".