77883385 has 8 divisors (see below), whose sum is σ = 94196736. Its totient is φ = 61815600.

The previous prime is 77883383. The next prime is 77883391. The reversal of 77883385 is 58338877.

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

It is not a de Polignac number, because 77883385 - 2¹ = 77883383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77883383) 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, 60691 + ... + 61960.

It is an arithmetic number, because the mean of its divisors is an integer number (11774592).

Almost surely, 2^77883385 is an apocalyptic number.

It is an amenable number.

77883385 is a deficient number, since it is larger than the sum of its proper divisors (16313351).

77883385 is a wasteful number, since it uses less digits than its factorization.

77883385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122783.

The product of its digits is 1128960, while the sum is 49.

The square root of 77883385 is about 8825.1563725523. The cubic root of 77883385 is about 427.0528320130.

The spelling of 77883385 in words is "seventy-seven million, eight hundred eighty-three thousand, three hundred eighty-five".