78183221226730 has 16 divisors (see below), whose sum is σ = 140733719013600. Its totient is φ = 31272417200592.

The previous prime is 78183221226703. The next prime is 78183221226937. The reversal of 78183221226730 is 3762212238187.

It is a super-2 number, since 2×78183221226730² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108534324 + ... + 109252303.

It is an arithmetic number, because the mean of its divisors is an integer number (8795857438350).

Almost surely, 2^{78183221226730} is an apocalyptic number.

78183221226730 is a deficient number, since it is larger than the sum of its proper divisors (62550497786870).

78183221226730 is a wasteful number, since it uses less digits than its factorization.

78183221226730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217822533.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 78183221226730 in words is "seventy-eight trillion, one hundred eighty-three billion, two hundred twenty-one million, two hundred twenty-six thousand, seven hundred thirty".