77483985 has 16 divisors (see below), whose sum is σ = 124419264. Its totient is φ = 41176512.

The previous prime is 77483981. The next prime is 77484007. The reversal of 77483985 is 58938477.

It is not a de Polignac number, because 77483985 - 2² = 77483981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77483981) 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, 4882 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (7776204).

Almost surely, 2^77483985 is an apocalyptic number.

It is an amenable number.

77483985 is a deficient number, since it is larger than the sum of its proper divisors (46935279).

77483985 is a wasteful number, since it uses less digits than its factorization.

77483985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18544.

The product of its digits is 1693440, while the sum is 51.

The square root of 77483985 is about 8802.4987929565. The cubic root of 77483985 is about 426.3215793541.

The spelling of 77483985 in words is "seventy-seven million, four hundred eighty-three thousand, nine hundred eighty-five".