86055202491 has 4 divisors (see below), whose sum is σ = 114740269992. Its totient is φ = 57370134992.

The previous prime is 86055202447. The next prime is 86055202501. The reversal of 86055202491 is 19420255068.

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 86055202491 - 2¹⁰ = 86055201467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86055209491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14342533746 + ... + 14342533751.

It is an arithmetic number, because the mean of its divisors is an integer number (28685067498).

Almost surely, 2^86055202491 is an apocalyptic number.

86055202491 is a deficient number, since it is larger than the sum of its proper divisors (28685067501).

86055202491 is a wasteful number, since it uses less digits than its factorization.

86055202491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28685067500.

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 86055202491 in words is "eighty-six billion, fifty-five million, two hundred two thousand, four hundred ninety-one".