77020383 has 8 divisors (see below), whose sum is σ = 112029696. Its totient is φ = 46679000.

The previous prime is 77020373. The next prime is 77020393. The reversal of 77020383 is 38302077.

It is an interprime number because it is at equal distance from previous prime (77020373) and next prime (77020393).

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

It is a cyclic number.

It is not a de Polignac number, because 77020383 - 2⁹ = 77019871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77020383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77020343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1166943 + ... + 1167008.

It is an arithmetic number, because the mean of its divisors is an integer number (14003712).

Almost surely, 2^77020383 is an apocalyptic number.

77020383 is a deficient number, since it is larger than the sum of its proper divisors (35009313).

77020383 is a wasteful number, since it uses less digits than its factorization.

77020383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333965.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 77020383 is about 8776.1257397556. The cubic root of 77020383 is about 425.4696225166.

The spelling of 77020383 in words is "seventy-seven million, twenty thousand, three hundred eighty-three".