77252055 has 16 divisors (see below), whose sum is σ = 128977920. Its totient is φ = 39409568.

The previous prime is 77252039. The next prime is 77252083. The reversal of 77252055 is 55025277.

It is a cyclic number.

It is not a de Polignac number, because 77252055 - 2⁴ = 77252039 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, 111615 + ... + 112304.

It is an arithmetic number, because the mean of its divisors is an integer number (8061120).

Almost surely, 2^77252055 is an apocalyptic number.

77252055 is a deficient number, since it is larger than the sum of its proper divisors (51725865).

77252055 is a wasteful number, since it uses less digits than its factorization.

77252055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223950.

The product of its (nonzero) digits is 24500, while the sum is 33.

The square root of 77252055 is about 8789.3148197115. The cubic root of 77252055 is about 425.8957899344.

The spelling of 77252055 in words is "seventy-seven million, two hundred fifty-two thousand, fifty-five".