77553116 has 12 divisors (see below), whose sum is σ = 143701488. Its totient is φ = 36495552.

The previous prime is 77553107. The next prime is 77553121. The reversal of 77553116 is 61135577.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570176 + ... + 570311.

It is an arithmetic number, because the mean of its divisors is an integer number (11975124).

Almost surely, 2^77553116 is an apocalyptic number.

It is an amenable number.

77553116 is a deficient number, since it is larger than the sum of its proper divisors (66148372).

77553116 is a wasteful number, since it uses less digits than its factorization.

77553116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140508 (or 1140506 counting only the distinct ones).

The product of its digits is 22050, while the sum is 35.

The square root of 77553116 is about 8806.4247001834. The cubic root of 77553116 is about 426.4483293162.

The spelling of 77553116 in words is "seventy-seven million, five hundred fifty-three thousand, one hundred sixteen".