107771976687 has 16 divisors (see below), whose sum is σ = 148347530240. Its totient is φ = 69522710400.

The previous prime is 107771976671. The next prime is 107771976701. The reversal of 107771976687 is 786679177701.

It is a happy number.

It is not a de Polignac number, because 107771976687 - 2⁴ = 107771976671 is a prime.

It is a super-2 number, since 2×107771976687² (a number of 23 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 (107771976617) 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, 865239 + ... + 981927.

It is an arithmetic number, because the mean of its divisors is an integer number (9271720640).

Almost surely, 2^107771976687 is an apocalyptic number.

107771976687 is a deficient number, since it is larger than the sum of its proper divisors (40575553553).

107771976687 is a wasteful number, since it uses less digits than its factorization.

107771976687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126654.

The product of its (nonzero) digits is 43563744, while the sum is 66.

The spelling of 107771976687 in words is "one hundred seven billion, seven hundred seventy-one million, nine hundred seventy-six thousand, six hundred eighty-seven".