1087426697 has 8 divisors (see below), whose sum is σ = 1243409856. Its totient is φ = 931602672.

The previous prime is 1087426693. The next prime is 1087426727. The reversal of 1087426697 is 7966247801.

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

It is not a de Polignac number, because 1087426697 - 2² = 1087426693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087426693) 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, 24758 + ... + 52799.

It is an arithmetic number, because the mean of its divisors is an integer number (155426232).

Almost surely, 2^1087426697 is an apocalyptic number.

It is an amenable number.

1087426697 is a deficient number, since it is larger than the sum of its proper divisors (155983159).

1087426697 is an equidigital number, since it uses as much as digits as its factorization.

1087426697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79567.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 1087426697 is about 32976.1534597351. The cubic root of 1087426697 is about 1028.3319521399.

The spelling of 1087426697 in words is "one billion, eighty-seven million, four hundred twenty-six thousand, six hundred ninety-seven".