86975078468 has 12 divisors (see below), whose sum is σ = 152211393852. Its totient is φ = 43486108800.

The previous prime is 86975078461. The next prime is 86975078527. The reversal of 86975078468 is 86487057968.

It can be written as a sum of positive squares in 2 ways, for example, as 65854850884 + 21120227584 = 256622^2 + 145328^2 .

It is a super-3 number, since 3×86975078468³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86975078398 and 86975078407.

It is not an unprimeable number, because it can be changed into a prime (86975078461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214433 + ... + 468968.

It is an arithmetic number, because the mean of its divisors is an integer number (12684282821).

Almost surely, 2^86975078468 is an apocalyptic number.

It is an amenable number.

86975078468 is a deficient number, since it is larger than the sum of its proper divisors (65236315384).

86975078468 is a wasteful number, since it uses less digits than its factorization.

86975078468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715222 (or 715220 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 68.

The spelling of 86975078468 in words is "eighty-six billion, nine hundred seventy-five million, seventy-eight thousand, four hundred sixty-eight".