85977535 has 8 divisors (see below), whose sum is σ = 117912096. Its totient is φ = 58956000.

The previous prime is 85977509. The next prime is 85977557. The reversal of 85977535 is 53577958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85977535 - 2⁷ = 85977407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228216 + ... + 1228285.

It is an arithmetic number, because the mean of its divisors is an integer number (14739012).

Almost surely, 2^85977535 is an apocalyptic number.

85977535 is a deficient number, since it is larger than the sum of its proper divisors (31934561).

85977535 is a wasteful number, since it uses less digits than its factorization.

85977535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456513.

The product of its digits is 1323000, while the sum is 49.

The square root of 85977535 is about 9272.4071847606. The cubic root of 85977535 is about 441.3620585477.

The spelling of 85977535 in words is "eighty-five million, nine hundred seventy-seven thousand, five hundred thirty-five".