86491021335 has 16 divisors (see below), whose sum is σ = 138771118080. Its totient is φ = 46000050080.

The previous prime is 86491021321. The next prime is 86491021403. The reversal of 86491021335 is 53312019468.

It is not a de Polignac number, because 86491021335 - 2⁸ = 86491021079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8025351 + ... + 8036120.

It is an arithmetic number, because the mean of its divisors is an integer number (8673194880).

Almost surely, 2^86491021335 is an apocalyptic number.

86491021335 is a deficient number, since it is larger than the sum of its proper divisors (52280096745).

86491021335 is a wasteful number, since it uses less digits than its factorization.

86491021335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16061838.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 86491021335 in words is "eighty-six billion, four hundred ninety-one million, twenty-one thousand, three hundred thirty-five".