84261295967 has 4 divisors (see below), whose sum is σ = 84385759416. Its totient is φ = 84136832520.

The previous prime is 84261295939. The next prime is 84261295997. The reversal of 84261295967 is 76959216248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84261295967 - 2¹² = 84261291871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84261295907) 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, 62230709 + ... + 62232062.

It is an arithmetic number, because the mean of its divisors is an integer number (21096439854).

Almost surely, 2^84261295967 is an apocalyptic number.

84261295967 is a deficient number, since it is larger than the sum of its proper divisors (124463449).

84261295967 is a wasteful number, since it uses less digits than its factorization.

84261295967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124463448.

The product of its digits is 13063680, while the sum is 59.

The spelling of 84261295967 in words is "eighty-four billion, two hundred sixty-one million, two hundred ninety-five thousand, nine hundred sixty-seven".