84968587051 has 4 divisors (see below), whose sum is σ = 85059269512. Its totient is φ = 84877904592.

The previous prime is 84968587021. The next prime is 84968587097. The reversal of 84968587051 is 15078586948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84968587051 is a prime.

It is a super-3 number, since 3×84968587051³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84968587021) 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, 45339825 + ... + 45341698.

It is an arithmetic number, because the mean of its divisors is an integer number (21264817378).

Almost surely, 2^84968587051 is an apocalyptic number.

84968587051 is a deficient number, since it is larger than the sum of its proper divisors (90682461).

84968587051 is an equidigital number, since it uses as much as digits as its factorization.

84968587051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90682460.

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 84968587051 in words is "eighty-four billion, nine hundred sixty-eight million, five hundred eighty-seven thousand, fifty-one".