78655668101033 has 16 divisors (see below), whose sum is σ = 82287011721600. Its totient is φ = 75085696667520.

The previous prime is 78655668101029. The next prime is 78655668101039. The reversal of 78655668101033 is 33010186655687.

It is a cyclic number.

It is not a de Polignac number, because 78655668101033 - 2² = 78655668101029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78655668101039) 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 15 ways as a sum of consecutive naturals, for example, 43483610 + ... + 45256332.

It is an arithmetic number, because the mean of its divisors is an integer number (5142938232600).

Almost surely, 2^{78655668101033} is an apocalyptic number.

It is an amenable number.

78655668101033 is a deficient number, since it is larger than the sum of its proper divisors (3631343620567).

78655668101033 is a wasteful number, since it uses less digits than its factorization.

78655668101033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790032.

The product of its (nonzero) digits is 21772800, while the sum is 59.

The spelling of 78655668101033 in words is "seventy-eight trillion, six hundred fifty-five billion, six hundred sixty-eight million, one hundred one thousand, thirty-three".