1077103773778 has 8 divisors (see below), whose sum is σ = 1616623703820. Its totient is φ = 538229205840.

The previous prime is 1077103773749. The next prime is 1077103773793. The reversal of 1077103773778 is 8773773017701.

It can be written as a sum of positive squares in 2 ways, for example, as 1030076815329 + 47026958449 = 1014927^2 + 216857^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161336353 + ... + 161343028.

Almost surely, 2^{1077103773778} is an apocalyptic number.

1077103773778 is a deficient number, since it is larger than the sum of its proper divisors (539519930042).

1077103773778 is a wasteful number, since it uses less digits than its factorization.

1077103773778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322681052.

The product of its (nonzero) digits is 8470728, while the sum is 58.

The spelling of 1077103773778 in words is "one trillion, seventy-seven billion, one hundred three million, seven hundred seventy-three thousand, seven hundred seventy-eight".