71777076137 has 8 divisors (see below), whose sum is σ = 77304890880. Its totient is φ = 66250190160.

The previous prime is 71777076121. The next prime is 71777076181. The reversal of 71777076137 is 73167077717.

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 71777076137 - 2⁴ = 71777076121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71777070137) 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, 67337 + ... + 384822.

It is an arithmetic number, because the mean of its divisors is an integer number (9663111360).

Almost surely, 2^71777076137 is an apocalyptic number.

It is an amenable number.

71777076137 is a deficient number, since it is larger than the sum of its proper divisors (5527814743).

71777076137 is a wasteful number, since it uses less digits than its factorization.

71777076137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464383.

The product of its (nonzero) digits is 2117682, while the sum is 53.

The spelling of 71777076137 in words is "seventy-one billion, seven hundred seventy-seven million, seventy-six thousand, one hundred thirty-seven".