82424956977 has 48 divisors (see below), whose sum is σ = 139458983040. Its totient is φ = 46353753600.

The previous prime is 82424956961. The next prime is 82424956981. The reversal of 82424956977 is 77965942428.

82424956977 is a `hidden beast` number, since 8 + 24 + 2 + 49 + 569 + 7 + 7 = 666.

It is not a de Polignac number, because 82424956977 - 2⁴ = 82424956961 is a prime.

It is a super-3 number, since 3×82424956977³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82424956937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225402 + ... + 464387.

It is an arithmetic number, because the mean of its divisors is an integer number (2905395480).

Almost surely, 2^82424956977 is an apocalyptic number.

It is an amenable number.

82424956977 is a deficient number, since it is larger than the sum of its proper divisors (57034026063).

82424956977 is a wasteful number, since it uses less digits than its factorization.

82424956977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689894 (or 689891 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The spelling of 82424956977 in words is "eighty-two billion, four hundred twenty-four million, nine hundred fifty-six thousand, nine hundred seventy-seven".