29978063 has 2 divisors, whose sum is σ = 29978064. Its totient is φ = 29978062.

The previous prime is 29978059. The next prime is 29978087. The reversal of 29978063 is 36087992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29978063 - 2² = 29978059 is a prime.

It is a super-2 number, since 2×29978063² = 1797368522463938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29978033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14989031 + 14989032.

It is an arithmetic number, because the mean of its divisors is an integer number (14989032).

Almost surely, 2^29978063 is an apocalyptic number.

29978063 is a deficient number, since it is larger than the sum of its proper divisors (1).

29978063 is an equidigital number, since it uses as much as digits as its factorization.

29978063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 29978063 is about 5475.2226438749. Note that the first 3 decimals coincide. The cubic root of 29978063 is about 310.6474950613.

The spelling of 29978063 in words is "twenty-nine million, nine hundred seventy-eight thousand, sixty-three".