1087397454 has 64 divisors (see below), whose sum is σ = 2570641920. Its totient is φ = 302305920.

The previous prime is 1087397453. The next prime is 1087397567. The reversal of 1087397454 is 4547937801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087397453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139492 + ... + 147080.

It is an arithmetic number, because the mean of its divisors is an integer number (40166280).

Almost surely, 2^1087397454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1087397454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285320960).

1087397454 is an abundant number, since it is smaller than the sum of its proper divisors (1483244466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087397454 is a wasteful number, since it uses less digits than its factorization.

1087397454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7785.

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 1087397454 is about 32975.7100605885. The cubic root of 1087397454 is about 1028.3227341145.

The spelling of 1087397454 in words is "one billion, eighty-seven million, three hundred ninety-seven thousand, four hundred fifty-four".