84670375901 has 2 divisors, whose sum is σ = 84670375902. Its totient is φ = 84670375900.

The previous prime is 84670375883. The next prime is 84670375949. The reversal of 84670375901 is 10957307648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46781364100 + 37889011801 = 216290^2 + 194651^2 .

It is a cyclic number.

It is not a de Polignac number, because 84670375901 - 2⁶ = 84670375837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84670375901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84670375991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42335187950 + 42335187951.

It is an arithmetic number, because the mean of its divisors is an integer number (42335187951).

Almost surely, 2^84670375901 is an apocalyptic number.

It is an amenable number.

84670375901 is a deficient number, since it is larger than the sum of its proper divisors (1).

84670375901 is an equidigital number, since it uses as much as digits as its factorization.

84670375901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 84670375901 in words is "eighty-four billion, six hundred seventy million, three hundred seventy-five thousand, nine hundred one".