21977880062 has 8 divisors (see below), whose sum is σ = 32968290216. Its totient is φ = 10988449992.

The previous prime is 21977880053. The next prime is 21977880079. The reversal of 21977880062 is 26008877912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 186128 + ... + 280355.

It is an arithmetic number, because the mean of its divisors is an integer number (4121036277).

Almost surely, 2^21977880062 is an apocalyptic number.

21977880062 is a deficient number, since it is larger than the sum of its proper divisors (10990410154).

21977880062 is a wasteful number, since it uses less digits than its factorization.

21977880062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490042.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 21977880062 in words is "twenty-one billion, nine hundred seventy-seven million, eight hundred eighty thousand, sixty-two".