85377055 has 4 divisors (see below), whose sum is σ = 102452472. Its totient is φ = 68301640.

The previous prime is 85377029. The next prime is 85377067. The reversal of 85377055 is 55077358.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85377055 - 2⁷ = 85376927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85376999 and 85377017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8537701 + ... + 8537710.

It is an arithmetic number, because the mean of its divisors is an integer number (25613118).

Almost surely, 2^85377055 is an apocalyptic number.

85377055 is a deficient number, since it is larger than the sum of its proper divisors (17075417).

85377055 is a wasteful number, since it uses less digits than its factorization.

85377055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17075416.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 85377055 is about 9239.9705086109. The cubic root of 85377055 is about 440.3321441826.

The spelling of 85377055 in words is "eighty-five million, three hundred seventy-seven thousand, fifty-five".