85470748528 has 20 divisors (see below), whose sum is σ = 180654082488. Its totient is φ = 38850340160.

The previous prime is 85470748487. The next prime is 85470748567. The reversal of 85470748528 is 82584707458.

It is a happy number.

It is a super-2 number, since 2×85470748528² (a number of 23 digits) contains 22 as substring.

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, 242814451 + ... + 242814802.

Almost surely, 2^85470748528 is an apocalyptic number.

85470748528 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85470748528 is an abundant number, since it is smaller than the sum of its proper divisors (95183333960).

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

85470748528 is a wasteful number, since it uses less digits than its factorization.

85470748528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485629272 (or 485629266 counting only the distinct ones).

The product of its (nonzero) digits is 20070400, while the sum is 58.

The spelling of 85470748528 in words is "eighty-five billion, four hundred seventy million, seven hundred forty-eight thousand, five hundred twenty-eight".