29297479680 has 936 divisors, whose sum is σ = 124651555392. Its totient is φ = 6465650688.

The previous prime is 29297479663. The next prime is 29297479697. The reversal of 29297479680 is 8697479292.

It is an interprime number because it is at equal distance from previous prime (29297479663) and next prime (29297479697).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1010257906 + ... + 1010257934.

Almost surely, 2^29297479680 is an apocalyptic number.

29297479680 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 29297479680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62325777696).

29297479680 is an abundant number, since it is smaller than the sum of its proper divisors (95354075712).

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

29297479680 is an frugal number, since it uses more digits than its factorization.

29297479680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 29297479680 in words is "twenty-nine billion, two hundred ninety-seven million, four hundred seventy-nine thousand, six hundred eighty".