8542775077 has 8 divisors (see below), whose sum is σ = 9046123416. Its totient is φ = 8039519232.

The previous prime is 8542775071. The next prime is 8542775107. The reversal of 8542775077 is 7705772458.

It can be written as a sum of positive squares in 4 ways, for example, as 2328448516 + 6214326561 = 48254^2 + 78831^2 .

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

It is not a de Polignac number, because 8542775077 - 2²⁷ = 8408557349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542775071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282733 + ... + 311485.

It is an arithmetic number, because the mean of its divisors is an integer number (1130765427).

Almost surely, 2^8542775077 is an apocalyptic number.

It is an amenable number.

8542775077 is a deficient number, since it is larger than the sum of its proper divisors (503348339).

8542775077 is a wasteful number, since it uses less digits than its factorization.

8542775077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247.

The product of its (nonzero) digits is 3841600, while the sum is 52.

The square root of 8542775077 is about 92427.1338785316. The cubic root of 8542775077 is about 2044.2452187120.

The spelling of 8542775077 in words is "eight billion, five hundred forty-two million, seven hundred seventy-five thousand, seventy-seven".