78034501632 has 80 divisors (see below), whose sum is σ = 208096000200. Its totient is φ = 26010976256.

The previous prime is 78034501619. The next prime is 78034501661. The reversal of 78034501632 is 23610543087.

It is a super-2 number, since 2×78034501632² (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 3 ways as a sum of consecutive naturals, for example, 1548058 + ... + 1597670.

Almost surely, 2^78034501632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78034501632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104048000100).

78034501632 is an abundant number, since it is smaller than the sum of its proper divisors (130061498568).

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

78034501632 is an frugal number, since it uses more digits than its factorization.

78034501632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49654 (or 49618 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 78034501632 in words is "seventy-eight billion, thirty-four million, five hundred one thousand, six hundred thirty-two".