85707601 has 16 divisors (see below), whose sum is σ = 99389440. Its totient is φ = 72394560.

The previous prime is 85707599. The next prime is 85707619. The reversal of 85707601 is 10670758.

It is not a de Polignac number, because 85707601 - 2¹ = 85707599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85707101) 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, 203371 + ... + 203791.

It is an arithmetic number, because the mean of its divisors is an integer number (6211840).

Almost surely, 2^85707601 is an apocalyptic number.

It is an amenable number.

85707601 is a deficient number, since it is larger than the sum of its proper divisors (13681839).

85707601 is a wasteful number, since it uses less digits than its factorization.

85707601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 85707601 is about 9257.8399748537. The cubic root of 85707601 is about 440.8996760354.

The spelling of 85707601 in words is "eighty-five million, seven hundred seven thousand, six hundred one".