85409520662 has 8 divisors (see below), whose sum is σ = 128314149192. Its totient is φ = 42638137600.

The previous prime is 85409520653. The next prime is 85409520709. The reversal of 85409520662 is 26602590458.

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, 33309764 + ... + 33312327.

It is an arithmetic number, because the mean of its divisors is an integer number (16039268649).

Almost surely, 2^85409520662 is an apocalyptic number.

85409520662 is a deficient number, since it is larger than the sum of its proper divisors (42904628530).

85409520662 is a wasteful number, since it uses less digits than its factorization.

85409520662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66622734.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 85409520662 in words is "eighty-five billion, four hundred nine million, five hundred twenty thousand, six hundred sixty-two".