101878004273 has 2 divisors, whose sum is σ = 101878004274. Its totient is φ = 101878004272.

The previous prime is 101878004269. The next prime is 101878004309. The reversal of 101878004273 is 372400878101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64878712369 + 36999291904 = 254713^2 + 192352^2 .

It is a cyclic number.

It is not a de Polignac number, because 101878004273 - 2² = 101878004269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101878004273.

It is not a weakly prime, because it can be changed into another prime (101878004573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50939002136 + 50939002137.

It is an arithmetic number, because the mean of its divisors is an integer number (50939002137).

Almost surely, 2^101878004273 is an apocalyptic number.

It is an amenable number.

101878004273 is a deficient number, since it is larger than the sum of its proper divisors (1).

101878004273 is an equidigital number, since it uses as much as digits as its factorization.

101878004273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 101878004273 in words is "one hundred one billion, eight hundred seventy-eight million, four thousand, two hundred seventy-three".