85078617296 has 20 divisors (see below), whose sum is σ = 170523953700. Its totient is φ = 41072435712.

The previous prime is 85078617287. The next prime is 85078617301. The reversal of 85078617296 is 69271687058.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68958760000 + 16119857296 = 262600^2 + 126964^2 .

It is a super-2 number, since 2×85078617296² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

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, 91679081 + ... + 91680008.

It is an arithmetic number, because the mean of its divisors is an integer number (8526197685).

Almost surely, 2^85078617296 is an apocalyptic number.

It is an amenable number.

85078617296 is an abundant number, since it is smaller than the sum of its proper divisors (85445336404).

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

85078617296 is a wasteful number, since it uses less digits than its factorization.

85078617296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183359126 (or 183359120 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 85078617296 in words is "eighty-five billion, seventy-eight million, six hundred seventeen thousand, two hundred ninety-six".