77907613154 has 16 divisors (see below), whose sum is σ = 133613064000. Its totient is φ = 33374688144.

The previous prime is 77907613123. The next prime is 77907613181. The reversal of 77907613154 is 45131670977.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156829 + ... + 1222320.

It is an arithmetic number, because the mean of its divisors is an integer number (8350816500).

Almost surely, 2^77907613154 is an apocalyptic number.

77907613154 is a deficient number, since it is larger than the sum of its proper divisors (55705450846).

77907613154 is a wasteful number, since it uses less digits than its factorization.

77907613154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381497.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 77907613154 in words is "seventy-seven billion, nine hundred seven million, six hundred thirteen thousand, one hundred fifty-four".