7706487381 has 32 divisors (see below), whose sum is σ = 10930176000. Its totient is φ = 4816143360.

The previous prime is 7706487361. The next prime is 7706487409. The reversal of 7706487381 is 1837846077.

It is not a de Polignac number, because 7706487381 - 2¹⁹ = 7705963093 is a prime.

It is a super-2 number, since 2×7706487381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7706487361) 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 31 ways as a sum of consecutive naturals, for example, 3249126 + ... + 3251496.

It is an arithmetic number, because the mean of its divisors is an integer number (341568000).

Almost surely, 2^7706487381 is an apocalyptic number.

It is an amenable number.

7706487381 is a deficient number, since it is larger than the sum of its proper divisors (3223688619).

7706487381 is a wasteful number, since it uses less digits than its factorization.

7706487381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969.

The product of its (nonzero) digits is 1580544, while the sum is 51.

The square root of 7706487381 is about 87786.6013751529. The cubic root of 7706487381 is about 1975.2352339370.

The spelling of 7706487381 in words is "seven billion, seven hundred six million, four hundred eighty-seven thousand, three hundred eighty-one".