1153609977 has 16 divisors (see below), whose sum is σ = 1694990528. Its totient is φ = 693403200.

The previous prime is 1153609969. The next prime is 1153609993. The reversal of 1153609977 is 7799063511.

It is not a de Polignac number, because 1153609977 - 2³ = 1153609969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153609927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342274 + ... + 345627.

It is an arithmetic number, because the mean of its divisors is an integer number (105936908).

Almost surely, 2^1153609977 is an apocalyptic number.

It is an amenable number.

1153609977 is a deficient number, since it is larger than the sum of its proper divisors (541380551).

1153609977 is a wasteful number, since it uses less digits than its factorization.

1153609977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687960.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 1153609977 is about 33964.8344173794. The cubic root of 1153609977 is about 1048.7846791322.

The spelling of 1153609977 in words is "one billion, one hundred fifty-three million, six hundred nine thousand, nine hundred seventy-seven".