78372908453395 has 8 divisors (see below), whose sum is σ = 94047586719840. Its totient is φ = 62698262378880.

The previous prime is 78372908453393. The next prime is 78372908453407. The reversal of 78372908453395 is 59335480927387.

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

It is not a de Polignac number, because 78372908453395 - 2¹ = 78372908453393 is a prime.

It is a super-2 number, since 2×78372908453395² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78372908453393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2321551 + ... + 12733240.

It is an arithmetic number, because the mean of its divisors is an integer number (11755948339980).

Almost surely, 2^{78372908453395} is an apocalyptic number.

78372908453395 is a deficient number, since it is larger than the sum of its proper divisors (15674678266445).

78372908453395 is a wasteful number, since it uses less digits than its factorization.

78372908453395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095965.

The product of its (nonzero) digits is 1371686400, while the sum is 73.

The spelling of 78372908453395 in words is "seventy-eight trillion, three hundred seventy-two billion, nine hundred eight million, four hundred fifty-three thousand, three hundred ninety-five".