73878043862 has 64 divisors (see below), whose sum is σ = 142857146880. Its totient is φ = 27890873856.

The previous prime is 73878043861. The next prime is 73878043867. The reversal of 73878043862 is 26834087837.

It is a junction number, because it is equal to n+sod(n) for n = 73878043798 and 73878043807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73878043861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276908 + ... + 473744.

It is an arithmetic number, because the mean of its divisors is an integer number (2232142920).

Almost surely, 2^73878043862 is an apocalyptic number.

73878043862 is a deficient number, since it is larger than the sum of its proper divisors (68979103018).

73878043862 is a wasteful number, since it uses less digits than its factorization.

73878043862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196965.

The product of its (nonzero) digits is 10838016, while the sum is 56.

The spelling of 73878043862 in words is "seventy-three billion, eight hundred seventy-eight million, forty-three thousand, eight hundred sixty-two".