1078344864 has 36 divisors (see below), whose sum is σ = 3066544026. Its totient is φ = 359448192.

The previous prime is 1078344863. The next prime is 1078344871. The reversal of 1078344864 is 4684438701.

It can be written as a sum of positive squares in only one way, i.e., 1077152400 + 1192464 = 32820^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1078344863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1871839 + ... + 1872414.

Almost surely, 2^1078344864 is an apocalyptic number.

It is an amenable number.

1078344864 is an abundant number, since it is smaller than the sum of its proper divisors (1988199162).

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

1078344864 is a wasteful number, since it uses less digits than its factorization.

1078344864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744269 (or 3744258 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 1078344864 is about 32838.1617025070. The cubic root of 1078344864 is about 1025.4611810070.

The spelling of 1078344864 in words is "one billion, seventy-eight million, three hundred forty-four thousand, eight hundred sixty-four".