73777370771 has 8 divisors (see below), whose sum is σ = 81143033664. Its totient is φ = 66653205120.

The previous prime is 73777370767. The next prime is 73777370783. The reversal of 73777370771 is 17707377737.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73777370771 - 2² = 73777370767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73777370761) by changing a digit.

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, 60373670 + ... + 60374891.

It is an arithmetic number, because the mean of its divisors is an integer number (10142879208).

Almost surely, 2^73777370771 is an apocalyptic number.

73777370771 is a deficient number, since it is larger than the sum of its proper divisors (7365662893).

73777370771 is a wasteful number, since it uses less digits than its factorization.

73777370771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120748621.

The product of its (nonzero) digits is 7411887, while the sum is 56.

The spelling of 73777370771 in words is "seventy-three billion, seven hundred seventy-seven million, three hundred seventy thousand, seven hundred seventy-one".