7677471156 has 12 divisors (see below), whose sum is σ = 17914099392. Its totient is φ = 2559157048.

The previous prime is 7677471097. The next prime is 7677471157. The reversal of 7677471156 is 6511747767.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 7677471099 and 7677471108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7677471157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319894620 + ... + 319894643.

It is an arithmetic number, because the mean of its divisors is an integer number (1492841616).

Almost surely, 2^7677471156 is an apocalyptic number.

It is an amenable number.

7677471156 is an abundant number, since it is smaller than the sum of its proper divisors (10236628236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7677471156 is a wasteful number, since it uses less digits than its factorization.

7677471156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639789270 (or 639789268 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 51.

The square root of 7677471156 is about 87621.1798368408. The cubic root of 7677471156 is about 1972.7530848025.

The spelling of 7677471156 in words is "seven billion, six hundred seventy-seven million, four hundred seventy-one thousand, one hundred fifty-six".