86990153896 has 8 divisors (see below), whose sum is σ = 163106538570. Its totient is φ = 43495076944.

The previous prime is 86990153879. The next prime is 86990153897. The reversal of 86990153896 is 69835109968.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54189321796 + 32800832100 = 232786^2 + 181110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (86990153897) 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 as a sum of consecutive naturals, namely, 5436884611 + ... + 5436884626.

Almost surely, 2^86990153896 is an apocalyptic number.

It is an amenable number.

86990153896 is a deficient number, since it is larger than the sum of its proper divisors (76116384674).

86990153896 is a wasteful number, since it uses less digits than its factorization.

86990153896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873769243 (or 10873769239 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 86990153896 in words is "eighty-six billion, nine hundred ninety million, one hundred fifty-three thousand, eight hundred ninety-six".