30688550076 has 48 divisors (see below), whose sum is σ = 75833071776. Its totient is φ = 9625964544.

The previous prime is 30688550063. The next prime is 30688550089. The reversal of 30688550076 is 67005588603.

It is an interprime number because it is at equal distance from previous prime (30688550063) and next prime (30688550089).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428970 + ... + 1450286.

It is an arithmetic number, because the mean of its divisors is an integer number (1579855662).

Almost surely, 2^30688550076 is an apocalyptic number.

It is an amenable number.

30688550076 is an abundant number, since it is smaller than the sum of its proper divisors (45144521700).

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

30688550076 is a wasteful number, since it uses less digits than its factorization.

30688550076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28398 (or 28396 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 30688550076 in words is "thirty billion, six hundred eighty-eight million, five hundred fifty thousand, seventy-six".