103486778 has 16 divisors (see below), whose sum is σ = 158383680. Its totient is φ = 50702976.

The previous prime is 103486777. The next prime is 103486783. The reversal of 103486778 is 877684301.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (103486777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17393 + ... + 22571.

It is an arithmetic number, because the mean of its divisors is an integer number (9898980).

Almost surely, 2^103486778 is an apocalyptic number.

103486778 is a deficient number, since it is larger than the sum of its proper divisors (54896902).

103486778 is a wasteful number, since it uses less digits than its factorization.

103486778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5381.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 103486778 is about 10172.8451280849. The cubic root of 103486778 is about 469.4920995978.

The spelling of 103486778 in words is "one hundred three million, four hundred eighty-six thousand, seven hundred seventy-eight".