90688298071 has 16 divisors (see below), whose sum is σ = 108189970240. Its totient is φ = 74392058880.

The previous prime is 90688298059. The next prime is 90688298111. The reversal of 90688298071 is 17089288609.

It is a cyclic number.

It is not a de Polignac number, because 90688298071 - 2³¹ = 88540814423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90688297997 and 90688298015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90688298021) 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, 2854266 + ... + 2885863.

It is an arithmetic number, because the mean of its divisors is an integer number (6761873140).

Almost surely, 2^90688298071 is an apocalyptic number.

90688298071 is a deficient number, since it is larger than the sum of its proper divisors (17501672169).

90688298071 is a wasteful number, since it uses less digits than its factorization.

90688298071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740234.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 90688298071 in words is "ninety billion, six hundred eighty-eight million, two hundred ninety-eight thousand, seventy-one".