84623862477 has 32 divisors (see below), whose sum is σ = 142654777344. Its totient is φ = 43341278400.

The previous prime is 84623862469. The next prime is 84623862493. The reversal of 84623862477 is 77426832648.

It is not a de Polignac number, because 84623862477 - 2³ = 84623862469 is a prime.

It is a super-2 number, since 2×84623862477² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84623862457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2563438 + ... + 2596239.

It is an arithmetic number, because the mean of its divisors is an integer number (4457961792).

Almost surely, 2^84623862477 is an apocalyptic number.

It is an amenable number.

84623862477 is a deficient number, since it is larger than the sum of its proper divisors (58030914867).

84623862477 is a wasteful number, since it uses less digits than its factorization.

84623862477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159769.

The product of its digits is 21676032, while the sum is 57.

The spelling of 84623862477 in words is "eighty-four billion, six hundred twenty-three million, eight hundred sixty-two thousand, four hundred seventy-seven".