65678092404 has 48 divisors (see below), whose sum is σ = 155203304256. Its totient is φ = 21615193600.

The previous prime is 65678092399. The next prime is 65678092411. The reversal of 65678092404 is 40429087656.

It is a super-2 number, since 2×65678092404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203644 + ... + 415724.

It is an arithmetic number, because the mean of its divisors is an integer number (3233402172).

Almost surely, 2^65678092404 is an apocalyptic number.

It is an amenable number.

65678092404 is an abundant number, since it is smaller than the sum of its proper divisors (89525211852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65678092404 is a wasteful number, since it uses less digits than its factorization.

65678092404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212416 (or 212414 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 65678092404 in words is "sixty-five billion, six hundred seventy-eight million, ninety-two thousand, four hundred four".