86121759458 has 32 divisors (see below), whose sum is σ = 155535344640. Its totient is φ = 34938006480.

The previous prime is 86121759419. The next prime is 86121759473. The reversal of 86121759458 is 85495712168.

It is a super-2 number, since 2×86121759458² (a number of 23 digits) contains 22 as substring.

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, 192953 + ... + 457683.

It is an arithmetic number, because the mean of its divisors is an integer number (4860479520).

Almost surely, 2^86121759458 is an apocalyptic number.

86121759458 is a deficient number, since it is larger than the sum of its proper divisors (69413585182).

86121759458 is a wasteful number, since it uses less digits than its factorization.

86121759458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265982.

The product of its digits is 4838400, while the sum is 56.

The spelling of 86121759458 in words is "eighty-six billion, one hundred twenty-one million, seven hundred fifty-nine thousand, four hundred fifty-eight".