85280372 has 24 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 41138720.

The previous prime is 85280353. The next prime is 85280399. The reversal of 85280372 is 27308258.

It is a happy number.

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, 10154 + ... + 16542.

It is an arithmetic number, because the mean of its divisors is an integer number (6441120).

Almost surely, 2^85280372 is an apocalyptic number.

It is an amenable number.

85280372 is a deficient number, since it is larger than the sum of its proper divisors (69306508).

85280372 is a wasteful number, since it uses less digits than its factorization.

85280372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511 (or 6509 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 85280372 is about 9234.7372458560. The cubic root of 85280372 is about 440.1658672171.

The spelling of 85280372 in words is "eighty-five million, two hundred eighty thousand, three hundred seventy-two".