146763271853978 has 8 divisors (see below), whose sum is σ = 237079131456468. Its totient is φ = 67736894701824.

The previous prime is 146763271853969. The next prime is 146763271853993. The reversal of 146763271853978 is 879358172367641.

It can be written as a sum of positive squares in 2 ways, for example, as 145287175641169 + 1476096212809 = 12053513^2 + 1214947^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 146763271853899 and 146763271853908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2822370612551 + ... + 2822370612602.

Almost surely, 2^{146763271853978} is an apocalyptic number.

146763271853978 is a deficient number, since it is larger than the sum of its proper divisors (90315859602490).

146763271853978 is a wasteful number, since it uses less digits than its factorization.

146763271853978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644741225168.

The product of its digits is 2560481280, while the sum is 77.

The spelling of 146763271853978 in words is "one hundred forty-six trillion, seven hundred sixty-three billion, two hundred seventy-one million, eight hundred fifty-three thousand, nine hundred seventy-eight".