8681077534 has 4 divisors (see below), whose sum is σ = 13021616304. Its totient is φ = 4340538766.

The previous prime is 8681077499. The next prime is 8681077571. The reversal of 8681077534 is 4357701868.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8681077534² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170269382 + ... + 2170269385.

It is an arithmetic number, because the mean of its divisors is an integer number (3255404076).

Almost surely, 2^8681077534 is an apocalyptic number.

8681077534 is a deficient number, since it is larger than the sum of its proper divisors (4340538770).

8681077534 is a wasteful number, since it uses less digits than its factorization.

8681077534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340538769.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 8681077534 is about 93172.3002506646. The cubic root of 8681077534 is about 2055.2179216884.

The spelling of 8681077534 in words is "eight billion, six hundred eighty-one million, seventy-seven thousand, five hundred thirty-four".