1078587775 has 24 divisors (see below), whose sum is σ = 1376161424. Its totient is φ = 838252800.

The previous prime is 1078587773. The next prime is 1078587781. The reversal of 1078587775 is 5777858701.

It is not a de Polignac number, because 1078587775 - 2¹ = 1078587773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078587773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117865 + ... + 126685.

Almost surely, 2^1078587775 is an apocalyptic number.

1078587775 is a deficient number, since it is larger than the sum of its proper divisors (297573649).

1078587775 is an equidigital number, since it uses as much as digits as its factorization.

1078587775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8971 (or 8966 counting only the distinct ones).

The product of its (nonzero) digits is 3841600, while the sum is 55.

The square root of 1078587775 is about 32841.8601026190. The cubic root of 1078587775 is about 1025.5381746503.

The spelling of 1078587775 in words is "one billion, seventy-eight million, five hundred eighty-seven thousand, seven hundred seventy-five".