85547595540 has 96 divisors (see below), whose sum is σ = 263846209536. Its totient is φ = 20537447040.

The previous prime is 85547595533. The next prime is 85547595547. The reversal of 85547595540 is 4559574558.

It is an interprime number because it is at equal distance from previous prime (85547595533) and next prime (85547595547).

It is a super-2 number, since 2×85547595540² (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 (85547595547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 561232 + ... + 697191.

It is an arithmetic number, because the mean of its divisors is an integer number (2748398016).

Almost surely, 2^85547595540 is an apocalyptic number.

It is an amenable number.

85547595540 is an abundant number, since it is smaller than the sum of its proper divisors (178298613996).

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

85547595540 is a wasteful number, since it uses less digits than its factorization.

85547595540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258549 (or 1258547 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 57.

The spelling of 85547595540 in words is "eighty-five billion, five hundred forty-seven million, five hundred ninety-five thousand, five hundred forty".