77016137430671 has 16 divisors (see below), whose sum is σ = 81700305220800. Its totient is φ = 72443810757120.

The previous prime is 77016137430649. The next prime is 77016137430679. The reversal of 77016137430671 is 17603473161077.

It is a cyclic number.

It is not a de Polignac number, because 77016137430671 - 2³⁸ = 76741259523727 is a prime.

It is a super-2 number, since 2×77016137430671² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77016137430679) 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, 194855 + ... + 12412503.

It is an arithmetic number, because the mean of its divisors is an integer number (5106269076300).

Almost surely, 2^{77016137430671} is an apocalyptic number.

77016137430671 is a deficient number, since it is larger than the sum of its proper divisors (4684167790129).

77016137430671 is a wasteful number, since it uses less digits than its factorization.

77016137430671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222226.

The product of its (nonzero) digits is 3111696, while the sum is 53.

The spelling of 77016137430671 in words is "seventy-seven trillion, sixteen billion, one hundred thirty-seven million, four hundred thirty thousand, six hundred seventy-one".