10280787778 has 32 divisors (see below), whose sum is σ = 15764777280. Its totient is φ = 5027505600.

The previous prime is 10280787763. The next prime is 10280787793. The reversal of 10280787778 is 87778708201.

It is an interprime number because it is at equal distance from previous prime (10280787763) and next prime (10280787793).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6372900 + ... + 6374512.

It is an arithmetic number, because the mean of its divisors is an integer number (492649290).

Almost surely, 2^10280787778 is an apocalyptic number.

10280787778 is a deficient number, since it is larger than the sum of its proper divisors (5483989502).

10280787778 is a wasteful number, since it uses less digits than its factorization.

10280787778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 2458624, while the sum is 55.

The spelling of 10280787778 in words is "ten billion, two hundred eighty million, seven hundred eighty-seven thousand, seven hundred seventy-eight".