623380677986 has 16 divisors (see below), whose sum is σ = 1020782485440. Its totient is φ = 283159016880.

The previous prime is 623380677943. The next prime is 623380677991. The reversal of 623380677986 is 689776083326.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9759281 + ... + 9822948.

It is an arithmetic number, because the mean of its divisors is an integer number (63798905340).

Almost surely, 2^623380677986 is an apocalyptic number.

623380677986 is a deficient number, since it is larger than the sum of its proper divisors (397401807454).

623380677986 is a wasteful number, since it uses less digits than its factorization.

623380677986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19583689.

The product of its (nonzero) digits is 109734912, while the sum is 65.

The spelling of 623380677986 in words is "six hundred twenty-three billion, three hundred eighty million, six hundred seventy-seven thousand, nine hundred eighty-six".