78708953232 has 600 divisors, whose sum is σ = 289847031936. Its totient is φ = 20434208256.

The previous prime is 78708953231. The next prime is 78708953233. The reversal of 78708953232 is 23235980787.

78708953232 is a `hidden beast` number, since 7 + 8 + 70 + 8 + 9 + 532 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (78708953231) and next prime (78708953233).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (78708953231) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 55311273 + ... + 55312695.

Almost surely, 2^78708953232 is an apocalyptic number.

78708953232 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78708953232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144923515968).

78708953232 is an abundant number, since it is smaller than the sum of its proper divisors (211138078704).

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

78708953232 is a wasteful number, since it uses less digits than its factorization.

78708953232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1515 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 78708953232 in words is "seventy-eight billion, seven hundred eight million, nine hundred fifty-three thousand, two hundred thirty-two".