85007400 has 48 divisors (see below), whose sum is σ = 263524800. Its totient is φ = 22668480.

The previous prime is 85007399. The next prime is 85007407. The reversal of 85007400 is 470058.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (85007407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70240 + ... + 71439.

It is an arithmetic number, because the mean of its divisors is an integer number (5490100).

Almost surely, 2^85007400 is an apocalyptic number.

It is an amenable number.

85007400 is an abundant number, since it is smaller than the sum of its proper divisors (178517400).

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

85007400 is a wasteful number, since it uses less digits than its factorization.

85007400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141698 (or 141689 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 85007400 is about 9219.9457699056. The cubic root of 85007400 is about 439.6957262728.

Adding to 85007400 its reverse (470058), we get a palindrome (85477458).

The spelling of 85007400 in words is "eighty-five million, seven thousand, four hundred".