86777125 has 16 divisors (see below), whose sum is σ = 108987840. Its totient is φ = 68979600.

The previous prime is 86777101. The next prime is 86777143. The reversal of 86777125 is 52177768.

It is not a de Polignac number, because 86777125 - 2¹¹ = 86775077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18246 + ... + 22504.

It is an arithmetic number, because the mean of its divisors is an integer number (6811740).

Almost surely, 2^86777125 is an apocalyptic number.

It is an amenable number.

86777125 is a deficient number, since it is larger than the sum of its proper divisors (22210715).

86777125 is a wasteful number, since it uses less digits than its factorization.

86777125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4427 counting only the distinct ones).

The product of its digits is 164640, while the sum is 43.

The square root of 86777125 is about 9315.4240375841. The cubic root of 86777125 is about 442.7260593902.

The spelling of 86777125 in words is "eighty-six million, seven hundred seventy-seven thousand, one hundred twenty-five".