85153480 has 16 divisors (see below), whose sum is σ = 191595420. Its totient is φ = 34061376.

The previous prime is 85153477. The next prime is 85153501. The reversal of 85153480 is 8435158.

It can be written as a sum of positive squares in 2 ways, for example, as 84382596 + 770884 = 9186^2 + 878^2 .

It is a super-2 number, since 2×85153480² = 14502230312220800, which contains 22 as substring.

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, 1064379 + ... + 1064458.

Almost surely, 2^85153480 is an apocalyptic number.

It is an amenable number.

85153480 is an abundant number, since it is smaller than the sum of its proper divisors (106441940).

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

85153480 is a wasteful number, since it uses less digits than its factorization.

85153480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128848 (or 2128844 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 85153480 is about 9227.8643249671. The cubic root of 85153480 is about 439.9474455137.

The spelling of 85153480 in words is "eighty-five million, one hundred fifty-three thousand, four hundred eighty".