85078155396 has 24 divisors (see below), whose sum is σ = 213786134464. Its totient is φ = 26177893920.

The previous prime is 85078155361. The next prime is 85078155397. The reversal of 85078155396 is 69355187058.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (85078155397) 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, 272686240 + ... + 272686551.

Almost surely, 2^85078155396 is an apocalyptic number.

It is an amenable number.

85078155396 is an abundant number, since it is smaller than the sum of its proper divisors (128707979068).

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

85078155396 is a wasteful number, since it uses less digits than its factorization.

85078155396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545372811 (or 545372809 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 57.

The spelling of 85078155396 in words is "eighty-five billion, seventy-eight million, one hundred fifty-five thousand, three hundred ninety-six".