328767313770 has 192 divisors, whose sum is σ = 1053407496960. Its totient is φ = 69455232000.

The previous prime is 328767313753. The next prime is 328767313783. The reversal of 328767313770 is 77313767823.

It is a super-2 number, since 2×328767313770² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 155820 + ... + 825720.

It is an arithmetic number, because the mean of its divisors is an integer number (5486497380).

Almost surely, 2^328767313770 is an apocalyptic number.

328767313770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328767313770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526703748480).

328767313770 is an abundant number, since it is smaller than the sum of its proper divisors (724640183190).

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

328767313770 is a wasteful number, since it uses less digits than its factorization.

328767313770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669981 (or 669978 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 54.

The spelling of 328767313770 in words is "three hundred twenty-eight billion, seven hundred sixty-seven million, three hundred thirteen thousand, seven hundred seventy".