103777278864 has 40 divisors (see below), whose sum is σ = 306390062400. Its totient is φ = 29650651008.

The previous prime is 103777278809. The next prime is 103777278881. The reversal of 103777278864 is 468872777301.

It is a super-2 number, since 2×103777278864² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103777278798 and 103777278807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154430139 + ... + 154430810.

It is an arithmetic number, because the mean of its divisors is an integer number (7659751560).

Almost surely, 2^103777278864 is an apocalyptic number.

103777278864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103777278864 is an abundant number, since it is smaller than the sum of its proper divisors (202612783536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103777278864 is a wasteful number, since it uses less digits than its factorization.

103777278864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308860967 (or 308860961 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 103777278864 in words is "one hundred three billion, seven hundred seventy-seven million, two hundred seventy-eight thousand, eight hundred sixty-four".