79472857485528 has 384 divisors, whose sum is σ = 234991117932480. Its totient is φ = 24119106600960.

The previous prime is 79472857485509. The next prime is 79472857485547. The reversal of 79472857485528 is 82558475827497.

79472857485528 is a `hidden beast` number, since 7 + 9 + 4 + 7 + 2 + 8 + 5 + 7 + 4 + 85 + 528 = 666.

It is an interprime number because it is at equal distance from previous prime (79472857485509) and next prime (79472857485547).

It is a congruent number.

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, 11017999650 + ... + 11018006862.

Almost surely, 2^{79472857485528} is an apocalyptic number.

79472857485528 is a gapful number since it is divisible by the number (78) 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 79472857485528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117495558966240).

79472857485528 is an abundant number, since it is smaller than the sum of its proper divisors (155518260446952).

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

79472857485528 is a wasteful number, since it uses less digits than its factorization.

79472857485528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939 (or 7932 counting only the distinct ones).

The product of its digits is 12644352000, while the sum is 81.

The spelling of 79472857485528 in words is "seventy-nine trillion, four hundred seventy-two billion, eight hundred fifty-seven million, four hundred eighty-five thousand, five hundred twenty-eight".