1148648977 has 8 divisors (see below), whose sum is σ = 1315776896. Its totient is φ = 982279872.

The previous prime is 1148648953. The next prime is 1148649011. The reversal of 1148648977 is 7798468411.

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

It is not a de Polignac number, because 1148648977 - 2¹¹ = 1148646929 is a prime.

It is a super-3 number, since 3×1148648977³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1148648077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186453 + ... + 192514.

It is an arithmetic number, because the mean of its divisors is an integer number (164472112).

Almost surely, 2^1148648977 is an apocalyptic number.

It is an amenable number.

1148648977 is a deficient number, since it is larger than the sum of its proper divisors (167127919).

1148648977 is an equidigital number, since it uses as much as digits as its factorization.

1148648977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379407.

The product of its digits is 2709504, while the sum is 55.

The square root of 1148648977 is about 33891.7243143514. The cubic root of 1148648977 is about 1047.2791162622.

The spelling of 1148648977 in words is "one billion, one hundred forty-eight million, six hundred forty-eight thousand, nine hundred seventy-seven".