77555083 has 4 divisors (see below), whose sum is σ = 77660208. Its totient is φ = 77449960.

The previous prime is 77555041. The next prime is 77555161. The reversal of 77555083 is 38055577.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38055577 = 7 ⋅5436511.

It is a cyclic number.

It is not a de Polignac number, because 77555083 - 2²⁵ = 44000651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77555033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51448 + ... + 52933.

It is an arithmetic number, because the mean of its divisors is an integer number (19415052).

Almost surely, 2^77555083 is an apocalyptic number.

77555083 is a deficient number, since it is larger than the sum of its proper divisors (105125).

77555083 is a wasteful number, since it uses less digits than its factorization.

77555083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105124.

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

The square root of 77555083 is about 8806.5363793037. The cubic root of 77555083 is about 426.4519346592.

The spelling of 77555083 in words is "seventy-seven million, five hundred fifty-five thousand, eighty-three".