86909090909076 has 36 divisors (see below), whose sum is σ = 220077076320192. Its totient is φ = 28918241018064.

The previous prime is 86909090909071. The next prime is 86909090909077. The reversal of 86909090909076 is 67090909090968.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 86909090908995 and 86909090909013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86909090909071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143977436 + ... + 2144017971.

Almost surely, 2^{86909090909076} is an apocalyptic number.

It is an amenable number.

86909090909076 is an abundant number, since it is smaller than the sum of its proper divisors (133167985411116).

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

86909090909076 is a wasteful number, since it uses less digits than its factorization.

86909090909076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287995980 (or 4287995975 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 72.

The spelling of 86909090909076 in words is "eighty-six trillion, nine hundred nine billion, ninety million, nine hundred nine thousand, seventy-six".