78275908419 has 8 divisors (see below), whose sum is σ = 104402414592. Its totient is φ = 52166670600.

The previous prime is 78275908391. The next prime is 78275908433. The reversal of 78275908419 is 91480957287.

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

It is not a de Polignac number, because 78275908419 - 2²⁷ = 78141690691 is a prime.

It is a super-2 number, since 2×78275908419² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78275908499) 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, 4306507 + ... + 4324644.

It is an arithmetic number, because the mean of its divisors is an integer number (13050301824).

Almost surely, 2^78275908419 is an apocalyptic number.

78275908419 is a deficient number, since it is larger than the sum of its proper divisors (26126506173).

78275908419 is a wasteful number, since it uses less digits than its factorization.

78275908419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634177.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 78275908419 in words is "seventy-eight billion, two hundred seventy-five million, nine hundred eight thousand, four hundred nineteen".