77041805126 has 32 divisors (see below), whose sum is σ = 135947137536. Its totient is φ = 32282100000.

The previous prime is 77041805119. The next prime is 77041805153. The reversal of 77041805126 is 62150814077.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35441 + ... + 394131.

It is an arithmetic number, because the mean of its divisors is an integer number (4248348048).

Almost surely, 2^77041805126 is an apocalyptic number.

77041805126 is a deficient number, since it is larger than the sum of its proper divisors (58905332410).

77041805126 is a wasteful number, since it uses less digits than its factorization.

77041805126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359468.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 77041805126 in words is "seventy-seven billion, forty-one million, eight hundred five thousand, one hundred twenty-six".