78019620295 has 32 divisors (see below), whose sum is σ = 101806848000. Its totient is φ = 57180090240.

The previous prime is 78019620209. The next prime is 78019620299. The reversal of 78019620295 is 59202691087.

It is a de Polignac number, because none of the positive numbers 2^k-78019620295 is a prime.

It is a super-2 number, since 2×78019620295² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78019620299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4199136 + ... + 4217674.

It is an arithmetic number, because the mean of its divisors is an integer number (3181464000).

Almost surely, 2^78019620295 is an apocalyptic number.

78019620295 is a deficient number, since it is larger than the sum of its proper divisors (23787227705).

78019620295 is a wasteful number, since it uses less digits than its factorization.

78019620295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 78019620295 in words is "seventy-eight billion, nineteen million, six hundred twenty thousand, two hundred ninety-five".