940672778 has 4 divisors (see below), whose sum is σ = 1411009170. Its totient is φ = 470336388.

The previous prime is 940672763. The next prime is 940672787. The reversal of 940672778 is 877276049.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 589372729 + 351300049 = 24277^2 + 18743^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235168193 + ... + 235168196.

Almost surely, 2^940672778 is an apocalyptic number.

940672778 is a deficient number, since it is larger than the sum of its proper divisors (470336392).

940672778 is a wasteful number, since it uses less digits than its factorization.

940672778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470336391.

The product of its (nonzero) digits is 1185408, while the sum is 50.

The square root of 940672778 is about 30670.3892704348. The cubic root of 940672778 is about 979.8197565223.

The spelling of 940672778 in words is "nine hundred forty million, six hundred seventy-two thousand, seven hundred seventy-eight".