1976627648 has 14 divisors (see below), whose sum is σ = 3922370616. Its totient is φ = 988313792.

The previous prime is 1976627647. The next prime is 1976627663. The reversal of 1976627648 is 8467266791.

It is a junction number, because it is equal to n+sod(n) for n = 1976627593 and 1976627602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1976627647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15442340 + ... + 15442467.

Almost surely, 2^1976627648 is an apocalyptic number.

It is an amenable number.

1976627648 is a deficient number, since it is larger than the sum of its proper divisors (1945742968).

1976627648 is an equidigital number, since it uses as much as digits as its factorization.

1976627648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30884819 (or 30884809 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 1976627648 is about 44459.2807859057. The cubic root of 1976627648 is about 1254.9939202787.

The spelling of 1976627648 in words is "one billion, nine hundred seventy-six million, six hundred twenty-seven thousand, six hundred forty-eight".