67780623948 has 24 divisors (see below), whose sum is σ = 158383686720. Its totient is φ = 22560841680.

The previous prime is 67780623919. The next prime is 67780624063. The reversal of 67780623948 is 84932608776.

It is a super-2 number, since 2×67780623948² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67780623891 and 67780623900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4078818 + ... + 4095401.

It is an arithmetic number, because the mean of its divisors is an integer number (6599320280).

Almost surely, 2^67780623948 is an apocalyptic number.

It is an amenable number.

67780623948 is an abundant number, since it is smaller than the sum of its proper divisors (90603062772).

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

67780623948 is a wasteful number, since it uses less digits than its factorization.

67780623948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174917 (or 8174915 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 67780623948 in words is "sixty-seven billion, seven hundred eighty million, six hundred twenty-three thousand, nine hundred forty-eight".