85747758 has 16 divisors (see below), whose sum is σ = 171684480. Its totient is φ = 28551096.

The previous prime is 85747757. The next prime is 85747763. The reversal of 85747758 is 85774758.

It is a self number, because there is not a number n which added to its sum of digits gives 85747758.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85747757) 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, 1588 + ... + 13191.

It is an arithmetic number, because the mean of its divisors is an integer number (10730280).

Almost surely, 2^85747758 is an apocalyptic number.

85747758 is an abundant number, since it is smaller than the sum of its proper divisors (85936722).

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

85747758 is a wasteful number, since it uses less digits than its factorization.

85747758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751.

The product of its digits is 2195200, while the sum is 51.

The square root of 85747758 is about 9260.0085313136. The cubic root of 85747758 is about 440.9685242420.

Subtracting 85747758 from its reverse (85774758), we obtain a cube (27000 = 30³).

The spelling of 85747758 in words is "eighty-five million, seven hundred forty-seven thousand, seven hundred fifty-eight".