137777038707871 has 16 divisors (see below), whose sum is σ = 143910769137408. Its totient is φ = 131655305865600.

The previous prime is 137777038707851. The next prime is 137777038707899. The reversal of 137777038707871 is 178707830777731.

It is a cyclic number.

It is not a de Polignac number, because 137777038707871 - 2⁵ = 137777038707839 is a prime.

It is a super-2 number, since 2×137777038707871² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137777038707794 and 137777038707803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137777038707851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133311591 + ... + 134341111.

It is an arithmetic number, because the mean of its divisors is an integer number (8994423071088).

Almost surely, 2^{137777038707871} is an apocalyptic number.

137777038707871 is a deficient number, since it is larger than the sum of its proper divisors (6133730429537).

137777038707871 is a wasteful number, since it uses less digits than its factorization.

137777038707871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035342.

The product of its (nonzero) digits is 474360768, while the sum is 73.

The spelling of 137777038707871 in words is "one hundred thirty-seven trillion, seven hundred seventy-seven billion, thirty-eight million, seven hundred seven thousand, eight hundred seventy-one".