8077554381 has 8 divisors (see below), whose sum is σ = 11598539680. Its totient is φ = 4970802672.

The previous prime is 8077554377. The next prime is 8077554431. The reversal of 8077554381 is 1834557708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8077554381 - 2² = 8077554377 is a prime.

It is a super-2 number, since 2×8077554381² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8077554381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8077554281) 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 7 ways as a sum of consecutive naturals, for example, 103558351 + ... + 103558428.

It is an arithmetic number, because the mean of its divisors is an integer number (1449817460).

Almost surely, 2^8077554381 is an apocalyptic number.

It is an amenable number.

8077554381 is a deficient number, since it is larger than the sum of its proper divisors (3520985299).

8077554381 is a wasteful number, since it uses less digits than its factorization.

8077554381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207116795.

The product of its (nonzero) digits is 940800, while the sum is 48.

The square root of 8077554381 is about 89875.2156103116. The cubic root of 8077554381 is about 2006.4420925261.

The spelling of 8077554381 in words is "eight billion, seventy-seven million, five hundred fifty-four thousand, three hundred eighty-one".