7955663508 has 216 divisors, whose sum is σ = 23780484000. Its totient is φ = 2318150016.

The previous prime is 7955663497. The next prime is 7955663509. The reversal of 7955663508 is 8053665597.

7955663508 is a `hidden beast` number, since 79 + 5 + 5 + 6 + 63 + 508 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7955663509) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3119818 + ... + 3122366.

Almost surely, 2^7955663508 is an apocalyptic number.

7955663508 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7955663508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11890242000).

7955663508 is an abundant number, since it is smaller than the sum of its proper divisors (15824820492).

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

7955663508 is a wasteful number, since it uses less digits than its factorization.

7955663508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The square root of 7955663508 is about 89194.5262221847. The cubic root of 7955663508 is about 1996.2984458080.

The spelling of 7955663508 in words is "seven billion, nine hundred fifty-five million, six hundred sixty-three thousand, five hundred eight".