77903041540 has 48 divisors (see below), whose sum is σ = 168950605824. Its totient is φ = 30142281600.

The previous prime is 77903041537. The next prime is 77903041553. The reversal of 77903041540 is 4514030977.

It is a junction number, because it is equal to n+sod(n) for n = 77903041493 and 77903041502.

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 in 15 ways as a sum of consecutive naturals, for example, 1390470 + ... + 1445410.

It is an arithmetic number, because the mean of its divisors is an integer number (3519804288).

Almost surely, 2^77903041540 is an apocalyptic number.

It is an amenable number.

77903041540 is an abundant number, since it is smaller than the sum of its proper divisors (91047564284).

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

77903041540 is a wasteful number, since it uses less digits than its factorization.

77903041540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57268 (or 57266 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 77903041540 in words is "seventy-seven billion, nine hundred three million, forty-one thousand, five hundred forty".