1087525077 has 12 divisors (see below), whose sum is σ = 1515821664. Its totient is φ = 693493240.

The previous prime is 1087525069. The next prime is 1087525081. The reversal of 1087525077 is 7705257801.

It is not a de Polignac number, because 1087525077 - 2³ = 1087525069 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087525007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341049 + ... + 344222.

It is an arithmetic number, because the mean of its divisors is an integer number (126318472).

Almost surely, 2^1087525077 is an apocalyptic number.

It is an amenable number.

1087525077 is a deficient number, since it is larger than the sum of its proper divisors (428296587).

1087525077 is an equidigital number, since it uses as much as digits as its factorization.

1087525077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685320 (or 685297 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 42.

The square root of 1087525077 is about 32977.6451099832. The cubic root of 1087525077 is about 1028.3629624284.

The spelling of 1087525077 in words is "one billion, eighty-seven million, five hundred twenty-five thousand, seventy-seven".