78151700323283 has 4 divisors (see below), whose sum is σ = 78289049533560. Its totient is φ = 78014351113008.

The previous prime is 78151700323273. The next prime is 78151700323369. The reversal of 78151700323283 is 38232300715187.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78151700323283 - 2⁴ = 78151700323267 is a prime.

It is a super-2 number, since 2×78151700323283² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78151700323273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68674604285 + ... + 68674605422.

It is an arithmetic number, because the mean of its divisors is an integer number (19572262383390).

Almost surely, 2^{78151700323283} is an apocalyptic number.

78151700323283 is a deficient number, since it is larger than the sum of its proper divisors (137349210277).

78151700323283 is a wasteful number, since it uses less digits than its factorization.

78151700323283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137349210276.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 78151700323283 in words is "seventy-eight trillion, one hundred fifty-one billion, seven hundred million, three hundred twenty-three thousand, two hundred eighty-three".