76568548381 has 16 divisors (see below), whose sum is σ = 86994411840. Its totient is φ = 66807486720.

The previous prime is 76568548361. The next prime is 76568548409. The reversal of 76568548381 is 18384586567.

It is not a de Polignac number, because 76568548381 - 2⁷ = 76568548253 is a prime.

It is a super-2 number, since 2×76568548381² (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 (76568548321) 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, 240460 + ... + 459301.

It is an arithmetic number, because the mean of its divisors is an integer number (5437150740).

Almost surely, 2^76568548381 is an apocalyptic number.

It is an amenable number.

76568548381 is a deficient number, since it is larger than the sum of its proper divisors (10425863459).

76568548381 is a wasteful number, since it uses less digits than its factorization.

76568548381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700236.

The product of its digits is 38707200, while the sum is 61.

The spelling of 76568548381 in words is "seventy-six billion, five hundred sixty-eight million, five hundred forty-eight thousand, three hundred eighty-one".