1948920827 has 4 divisors (see below), whose sum is σ = 2227338096. Its totient is φ = 1670503560.

The previous prime is 1948920821. The next prime is 1948920859. The reversal of 1948920827 is 7280298491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1948920827 - 2¹² = 1948916731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1948920821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139208624 + ... + 139208637.

It is an arithmetic number, because the mean of its divisors is an integer number (556834524).

Almost surely, 2^1948920827 is an apocalyptic number.

1948920827 is a deficient number, since it is larger than the sum of its proper divisors (278417269).

1948920827 is an equidigital number, since it uses as much as digits as its factorization.

1948920827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278417268.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 1948920827 is about 44146.5834125360. The cubic root of 1948920827 is about 1249.1024654596.

The spelling of 1948920827 in words is "one billion, nine hundred forty-eight million, nine hundred twenty thousand, eight hundred twenty-seven".