85507004 has 48 divisors (see below), whose sum is σ = 167795712. Its totient is φ = 37800000.

The previous prime is 85507001. The next prime is 85507007. The reversal of 85507004 is 40070558.

It is an interprime number because it is at equal distance from previous prime (85507001) and next prime (85507007).

It is a super-2 number, since 2×85507004² = 14622895466112032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85507001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315389 + ... + 315659.

It is an arithmetic number, because the mean of its divisors is an integer number (3495744).

Almost surely, 2^85507004 is an apocalyptic number.

It is an amenable number.

85507004 is a deficient number, since it is larger than the sum of its proper divisors (82288708).

85507004 is a wasteful number, since it uses less digits than its factorization.

85507004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 85507004 is about 9246.9997296420. Note that the first 3 decimals coincide. The cubic root of 85507004 is about 440.5554349142. Note that the first 3 decimals are identical.

The spelling of 85507004 in words is "eighty-five million, five hundred seven thousand, four".