77580083 has 16 divisors (see below), whose sum is σ = 92932800. Its totient is φ = 64689408.

The previous prime is 77580079. The next prime is 77580089. The reversal of 77580083 is 38008577.

It is not a de Polignac number, because 77580083 - 2² = 77580079 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77580089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9635 + ... + 15747.

It is an arithmetic number, because the mean of its divisors is an integer number (5808300).

Almost surely, 2^77580083 is an apocalyptic number.

77580083 is a deficient number, since it is larger than the sum of its proper divisors (15352717).

77580083 is an equidigital number, since it uses as much as digits as its factorization.

77580083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171 (or 6157 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 77580083 is about 8807.9556651927. The cubic root of 77580083 is about 426.4977522150.

The spelling of 77580083 in words is "seventy-seven million, five hundred eighty thousand, eighty-three".