29897513376 has 24 divisors (see below), whose sum is σ = 78480972864. Its totient is φ = 9965837760.

The previous prime is 29897513353. The next prime is 29897513389. The reversal of 29897513376 is 67331579892.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×29897513376² (a number of 22 digits) contains 22 as substring.

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, 155716120 + ... + 155716311.

It is an arithmetic number, because the mean of its divisors is an integer number (3270040536).

Almost surely, 2^29897513376 is an apocalyptic number.

It is an amenable number.

29897513376 is an abundant number, since it is smaller than the sum of its proper divisors (48583459488).

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

29897513376 is a wasteful number, since it uses less digits than its factorization.

29897513376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311432444 (or 311432436 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 60.

The spelling of 29897513376 in words is "twenty-nine billion, eight hundred ninety-seven million, five hundred thirteen thousand, three hundred seventy-six".