1077778235994 has 8 divisors (see below), whose sum is σ = 2155556472000. Its totient is φ = 359259411996.

The previous prime is 1077778235993. The next prime is 1077778236019. The reversal of 1077778235994 is 4995328777701.

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

1077778235994 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1077778235993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89814852994 + ... + 89814853005.

It is an arithmetic number, because the mean of its divisors is an integer number (269444559000).

Almost surely, 2^{1077778235994} is an apocalyptic number.

1077778235994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1077778235994 is a wasteful number, since it uses less digits than its factorization.

1077778235994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179629706004.

The product of its (nonzero) digits is 186701760, while the sum is 69.

The spelling of 1077778235994 in words is "one trillion, seventy-seven billion, seven hundred seventy-eight million, two hundred thirty-five thousand, nine hundred ninety-four".