29497878473280 has 896 divisors, whose sum is σ = 117246948802560. Its totient is φ = 6135344455680.

The previous prime is 29497878473267. The next prime is 29497878473347. The reversal of 29497878473280 is 8237487879492.

It is a junction number, because it is equal to n+sod(n) for n = 29497878473196 and 29497878473205.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 282638067 + ... + 282742413.

Almost surely, 2^{29497878473280} is an apocalyptic number.

29497878473280 is a gapful number since it is divisible by the number (20) 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 29497878473280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58623474401280).

29497878473280 is an abundant number, since it is smaller than the sum of its proper divisors (87749070329280).

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

29497878473280 is a wasteful number, since it uses less digits than its factorization.

29497878473280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104487 (or 104477 counting only the distinct ones).

The product of its (nonzero) digits is 2731180032, while the sum is 78.

The spelling of 29497878473280 in words is "twenty-nine trillion, four hundred ninety-seven billion, eight hundred seventy-eight million, four hundred seventy-three thousand, two hundred eighty".