78253031366 has 8 divisors (see below), whose sum is σ = 117407042784. Its totient is φ = 39117350440.

The previous prime is 78253031333. The next prime is 78253031383. The reversal of 78253031366 is 66313035287.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×78253031366² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4571945 + ... + 4589028.

It is an arithmetic number, because the mean of its divisors is an integer number (14675880348).

Almost surely, 2^78253031366 is an apocalyptic number.

78253031366 is a deficient number, since it is larger than the sum of its proper divisors (39154011418).

78253031366 is a wasteful number, since it uses less digits than its factorization.

78253031366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9165246.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 78253031366 in words is "seventy-eight billion, two hundred fifty-three million, thirty-one thousand, three hundred sixty-six".