1087793961 has 8 divisors (see below), whose sum is σ = 1453526400. Its totient is φ = 723628752.

The previous prime is 1087793957. The next prime is 1087793963. The reversal of 1087793961 is 1693977801.

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

It is not a de Polignac number, because 1087793961 - 2² = 1087793957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087793963) 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, 390186 + ... + 392963.

It is an arithmetic number, because the mean of its divisors is an integer number (181690800).

Almost surely, 2^1087793961 is an apocalyptic number.

It is an amenable number.

1087793961 is a deficient number, since it is larger than the sum of its proper divisors (365732439).

1087793961 is an equidigital number, since it uses as much as digits as its factorization.

1087793961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783615.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1087793961 is about 32981.7216197093. The cubic root of 1087793961 is about 1028.4477076195.

The spelling of 1087793961 in words is "one billion, eighty-seven million, seven hundred ninety-three thousand, nine hundred sixty-one".