85402633152 has 56 divisors (see below), whose sum is σ = 227457642112. Its totient is φ = 28279008000.

The previous prime is 85402633139. The next prime is 85402633229. The reversal of 85402633152 is 25133620458.

It is a happy number.

It is a super-3 number, since 3×85402633152³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85402633152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443874 + ... + 1501857.

Almost surely, 2^85402633152 is an apocalyptic number.

It is an amenable number.

85402633152 is an abundant number, since it is smaller than the sum of its proper divisors (142055008960).

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

85402633152 is a wasteful number, since it uses less digits than its factorization.

85402633152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945897 (or 2945887 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 85402633152 in words is "eighty-five billion, four hundred two million, six hundred thirty-three thousand, one hundred fifty-two".