77016983 has 4 divisors (see below), whose sum is σ = 78895488. Its totient is φ = 75138480.

The previous prime is 77016977. The next prime is 77017001. The reversal of 77016983 is 38961077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77016983 - 2⁴ = 77016967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1878463 = 77016983 / (7 + 7 + 0 + 1 + 6 + 9 + 8 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77016983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77016923) 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, 939191 + ... + 939272.

It is an arithmetic number, because the mean of its divisors is an integer number (19723872).

Almost surely, 2^77016983 is an apocalyptic number.

77016983 is a deficient number, since it is larger than the sum of its proper divisors (1878505).

77016983 is a wasteful number, since it uses less digits than its factorization.

77016983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878504.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 77016983 is about 8775.9320302746. The cubic root of 77016983 is about 425.4633617583.

The spelling of 77016983 in words is "seventy-seven million, sixteen thousand, nine hundred eighty-three".