78283601830 has 32 divisors (see below), whose sum is σ = 169516373760. Its totient is φ = 25427455200.

The previous prime is 78283601827. The next prime is 78283601843. The reversal of 78283601830 is 3810638287.

It is a super-2 number, since 2×78283601830² (a number of 23 digits) contains 22 as substring.

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, 29428596 + ... + 29431255.

It is an arithmetic number, because the mean of its divisors is an integer number (5297386680).

Almost surely, 2^78283601830 is an apocalyptic number.

78283601830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78283601830 is an abundant number, since it is smaller than the sum of its proper divisors (91232771930).

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

78283601830 is a wasteful number, since it uses less digits than its factorization.

78283601830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58859884.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 78283601830 in words is "seventy-eight billion, two hundred eighty-three million, six hundred one thousand, eight hundred thirty".