84258158401 has 4 divisors (see below), whose sum is σ = 84258741204. Its totient is φ = 84257575600.

The previous prime is 84258158389. The next prime is 84258158407. The reversal of 84258158401 is 10485185248.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5894554176 + 78363604225 = 76776^2 + 279935^2 .

It is a cyclic number.

It is not a de Polignac number, because 84258158401 - 2⁷ = 84258158273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84258158407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107271 + ... + 424291.

It is an arithmetic number, because the mean of its divisors is an integer number (21064685301).

Almost surely, 2^84258158401 is an apocalyptic number.

It is an amenable number.

84258158401 is a deficient number, since it is larger than the sum of its proper divisors (582803).

84258158401 is a wasteful number, since it uses less digits than its factorization.

84258158401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582802.

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 84258158401 in words is "eighty-four billion, two hundred fifty-eight million, one hundred fifty-eight thousand, four hundred one".