103777278863 has 8 divisors (see below), whose sum is σ = 107589260016. Its totient is φ = 100026289600.

The previous prime is 103777278809. The next prime is 103777278881. The reversal of 103777278863 is 368872777301.

It is a happy number.

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

It is not a de Polignac number, because 103777278863 - 2¹⁸ = 103777016719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103777278263) 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, 15244508 + ... + 15251313.

It is an arithmetic number, because the mean of its divisors is an integer number (13448657502).

Almost surely, 2^103777278863 is an apocalyptic number.

103777278863 is a deficient number, since it is larger than the sum of its proper divisors (3811981153).

103777278863 is an equidigital number, since it uses as much as digits as its factorization.

103777278863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30495945.

The product of its (nonzero) digits is 16595712, while the sum is 59.

The spelling of 103777278863 in words is "one hundred three billion, seven hundred seventy-seven million, two hundred seventy-eight thousand, eight hundred sixty-three".