78631029030 has 64 divisors (see below), whose sum is σ = 189942717888. Its totient is φ = 20832215040.

The previous prime is 78631029011. The next prime is 78631029073. The reversal of 78631029030 is 3092013687.

It is a self number, because there is not a number n which added to its sum of digits gives 78631029030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3118032 + ... + 3143148.

It is an arithmetic number, because the mean of its divisors is an integer number (2967854967).

Almost surely, 2^78631029030 is an apocalyptic number.

78631029030 is an abundant number, since it is smaller than the sum of its proper divisors (111311688858).

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

78631029030 is a wasteful number, since it uses less digits than its factorization.

78631029030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25801.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 78631029030 in words is "seventy-eight billion, six hundred thirty-one million, twenty-nine thousand, thirty".