86247653990401 has 4 divisors (see below), whose sum is σ = 86247673041712. Its totient is φ = 86247634939092.

The previous prime is 86247653990359. The next prime is 86247653990419. The reversal of 86247653990401 is 10409935674268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86247653990401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86247653990431) 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, 1584226 + ... + 13228948.

It is an arithmetic number, because the mean of its divisors is an integer number (21561918260428).

It is a 1-persistent number, because it is pandigital, but 2⋅86247653990401 = 172495307980802 is not.

Almost surely, 2^{86247653990401} is an apocalyptic number.

It is an amenable number.

86247653990401 is a deficient number, since it is larger than the sum of its proper divisors (19051311).

86247653990401 is a wasteful number, since it uses less digits than its factorization.

86247653990401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19051310.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 86247653990401 in words is "eighty-six trillion, two hundred forty-seven billion, six hundred fifty-three million, nine hundred ninety thousand, four hundred one".