77985988483 has 8 divisors (see below), whose sum is σ = 84728141568. Its totient is φ = 71350011264.

The previous prime is 77985988463. The next prime is 77985988523. The reversal of 77985988483 is 38488958977.

It is a happy number.

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 77985988483 - 2¹³ = 77985980291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77985988453) 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, 26542435 + ... + 26545372.

It is an arithmetic number, because the mean of its divisors is an integer number (10591017696).

Almost surely, 2^77985988483 is an apocalyptic number.

77985988483 is a deficient number, since it is larger than the sum of its proper divisors (6742153085).

77985988483 is a wasteful number, since it uses less digits than its factorization.

77985988483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53087933.

The product of its digits is 975421440, while the sum is 76.

The spelling of 77985988483 in words is "seventy-seven billion, nine hundred eighty-five million, nine hundred eighty-eight thousand, four hundred eighty-three".