85908991814 has 8 divisors (see below), whose sum is σ = 129077904648. Its totient is φ = 42883023600.

The previous prime is 85908991771. The next prime is 85908991837. The reversal of 85908991814 is 41819980958.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35734652 + ... + 35737055.

It is an arithmetic number, because the mean of its divisors is an integer number (16134738081).

Almost surely, 2^85908991814 is an apocalyptic number.

85908991814 is a deficient number, since it is larger than the sum of its proper divisors (43168912834).

85908991814 is a wasteful number, since it uses less digits than its factorization.

85908991814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71472310.

The product of its (nonzero) digits is 7464960, while the sum is 62.

The spelling of 85908991814 in words is "eighty-five billion, nine hundred eight million, nine hundred ninety-one thousand, eight hundred fourteen".