86542212261450 has 96 divisors (see below), whose sum is σ = 234139276537920. Its totient is φ = 20979638579200.

The previous prime is 86542212261409. The next prime is 86542212261487. The reversal of 86542212261450 is 5416221224568.

It is a happy number.

It is a super-2 number, since 2×86542212261450² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86542212261450.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133175722 + ... + 133823978.

It is an arithmetic number, because the mean of its divisors is an integer number (2438950797270).

Almost surely, 2^{86542212261450} is an apocalyptic number.

86542212261450 is an abundant number, since it is smaller than the sum of its proper divisors (147597064276470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86542212261450 is a wasteful number, since it uses less digits than its factorization.

86542212261450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729192 (or 729187 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 86542212261450 in words is "eighty-six trillion, five hundred forty-two billion, two hundred twelve million, two hundred sixty-one thousand, four hundred fifty".