8620045077 has 32 divisors (see below), whose sum is σ = 13876024320. Its totient is φ = 4649823360.

The previous prime is 8620045073. The next prime is 8620045097. The reversal of 8620045077 is 7705400268.

It is not a de Polignac number, because 8620045077 - 2² = 8620045073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620045073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73678 + ... + 150560.

It is an arithmetic number, because the mean of its divisors is an integer number (433625760).

Almost surely, 2^8620045077 is an apocalyptic number.

It is an amenable number.

8620045077 is a deficient number, since it is larger than the sum of its proper divisors (5255979243).

8620045077 is a wasteful number, since it uses less digits than its factorization.

8620045077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77193.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 8620045077 is about 92844.1978639484. The cubic root of 8620045077 is about 2050.3901757432.

The spelling of 8620045077 in words is "eight billion, six hundred twenty million, forty-five thousand, seventy-seven".