85670377 has 16 divisors (see below), whose sum is σ = 96864768. Its totient is φ = 75176640.

The previous prime is 85670371. The next prime is 85670383. The reversal of 85670377 is 77307658.

It is an interprime number because it is at equal distance from previous prime (85670371) and next prime (85670383).

It is a cyclic number.

It is not a de Polignac number, because 85670377 - 2²³ = 77281769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85670371) 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, 53328 + ... + 54910.

It is an arithmetic number, because the mean of its divisors is an integer number (6054048).

Almost surely, 2^85670377 is an apocalyptic number.

It is an amenable number.

85670377 is a deficient number, since it is larger than the sum of its proper divisors (11194391).

85670377 is a wasteful number, since it uses less digits than its factorization.

85670377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 85670377 is about 9255.8293523595. The cubic root of 85670377 is about 440.8358371775.

The spelling of 85670377 in words is "eighty-five million, six hundred seventy thousand, three hundred seventy-seven".