85032497678 has 16 divisors (see below), whose sum is σ = 133698294576. Its totient is φ = 40514631360.

The previous prime is 85032497677. The next prime is 85032497699. The reversal of 85032497678 is 87679423058.

It is a happy number.

It is a super-2 number, since 2×85032497678² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85032497677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12054401 + ... + 12061452.

It is an arithmetic number, because the mean of its divisors is an integer number (8356143411).

Almost surely, 2^85032497678 is an apocalyptic number.

85032497678 is a deficient number, since it is larger than the sum of its proper divisors (48665796898).

85032497678 is a wasteful number, since it uses less digits than its factorization.

85032497678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24115939.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 85032497678 in words is "eighty-five billion, thirty-two million, four hundred ninety-seven thousand, six hundred seventy-eight".