940000154777 has 4 divisors (see below), whose sum is σ = 952876869300. Its totient is φ = 927123440256.

The previous prime is 940000154773. The next prime is 940000154839. The reversal of 940000154777 is 777451000049.

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

It can be written as a sum of positive squares in 2 ways, for example, as 461352034441 + 478648120336 = 679229^2 + 691844^2 .

It is a cyclic number.

It is not a de Polignac number, because 940000154777 - 2² = 940000154773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940000154773) 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, 6438357152 + ... + 6438357297.

It is an arithmetic number, because the mean of its divisors is an integer number (238219217325).

Almost surely, 2^940000154777 is an apocalyptic number.

It is an amenable number.

940000154777 is a deficient number, since it is larger than the sum of its proper divisors (12876714523).

940000154777 is a wasteful number, since it uses less digits than its factorization.

940000154777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876714522.

The product of its (nonzero) digits is 246960, while the sum is 44.

The spelling of 940000154777 in words is "nine hundred forty billion, one hundred fifty-four thousand, seven hundred seventy-seven".