85004232436 has 12 divisors (see below), whose sum is σ = 148781831940. Its totient is φ = 42495137600.

The previous prime is 85004232409. The next prime is 85004232529. The reversal of 85004232436 is 63423240058.

It can be written as a sum of positive squares in 2 ways, for example, as 41221180900 + 43783051536 = 203030^2 + 209244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85004232395 and 85004232404.

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, 1717201 + ... + 1766008.

It is an arithmetic number, because the mean of its divisors is an integer number (12398485995).

Almost surely, 2^85004232436 is an apocalyptic number.

It is an amenable number.

85004232436 is a deficient number, since it is larger than the sum of its proper divisors (63777599504).

85004232436 is a wasteful number, since it uses less digits than its factorization.

85004232436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489314 (or 3489312 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 85004232436 in words is "eighty-five billion, four million, two hundred thirty-two thousand, four hundred thirty-six".