29978630607 has 16 divisors (see below), whose sum is σ = 41387660640. Its totient is φ = 19278938112.

The previous prime is 29978630593. The next prime is 29978630609. The reversal of 29978630607 is 70603687992.

It is a happy number.

It is not a de Polignac number, because 29978630607 - 2⁸ = 29978630351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29978630609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61618 + ... + 252495.

It is an arithmetic number, because the mean of its divisors is an integer number (2586728790).

Almost surely, 2^29978630607 is an apocalyptic number.

29978630607 is a deficient number, since it is larger than the sum of its proper divisors (11409030033).

29978630607 is a wasteful number, since it uses less digits than its factorization.

29978630607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315242.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 29978630607 in words is "twenty-nine billion, nine hundred seventy-eight million, six hundred thirty thousand, six hundred seven".