86438134356 has 48 divisors (see below), whose sum is σ = 234280421760. Its totient is φ = 24291745920.

The previous prime is 86438134351. The next prime is 86438134361. The reversal of 86438134356 is 65343183468.

It is an interprime number because it is at equal distance from previous prime (86438134351) and next prime (86438134361).

It is a junction number, because it is equal to n+sod(n) for n = 86438134299 and 86438134308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86438134351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8429511 + ... + 8439758.

It is an arithmetic number, because the mean of its divisors is an integer number (4880842120).

Almost surely, 2^86438134356 is an apocalyptic number.

It is an amenable number.

86438134356 is an abundant number, since it is smaller than the sum of its proper divisors (147842287404).

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

86438134356 is a wasteful number, since it uses less digits than its factorization.

86438134356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16869344 (or 16869342 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 51.

The spelling of 86438134356 in words is "eighty-six billion, four hundred thirty-eight million, one hundred thirty-four thousand, three hundred fifty-six".