85148680 has 32 divisors (see below), whose sum is σ = 194730840. Its totient is φ = 33500160.

The previous prime is 85148663. The next prime is 85148681. The reversal of 85148680 is 8684158.

It can be written as a sum of positive squares in 4 ways, for example, as 20088324 + 65060356 = 4482^2 + 8066^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (85148681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15009 + ... + 19888.

Almost surely, 2^85148680 is an apocalyptic number.

It is an amenable number.

85148680 is an abundant number, since it is smaller than the sum of its proper divisors (109582160).

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

85148680 is a wasteful number, since it uses less digits than its factorization.

85148680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34969 (or 34965 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 85148680 is about 9227.6042394546. The cubic root of 85148680 is about 439.9391789209.

The spelling of 85148680 in words is "eighty-five million, one hundred forty-eight thousand, six hundred eighty".