1064640377 has 8 divisors (see below), whose sum is σ = 1068747072. Its totient is φ = 1060542000.

The previous prime is 1064640361. The next prime is 1064640383. The reversal of 1064640377 is 7730464601.

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

It is a cyclic number.

It is not a de Polignac number, because 1064640377 - 2⁴ = 1064640361 is a prime.

It is a super-2 number, since 2×1064640377² = 2266918264677404258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1064640377.

It is not an unprimeable number, because it can be changed into a prime (1064640277) 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, 372002 + ... + 374852.

It is an arithmetic number, because the mean of its divisors is an integer number (133593384).

Almost surely, 2^1064640377 is an apocalyptic number.

It is an amenable number.

1064640377 is a deficient number, since it is larger than the sum of its proper divisors (4106695).

1064640377 is an equidigital number, since it uses as much as digits as its factorization.

1064640377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4159.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 1064640377 is about 32628.8273923535. The cubic root of 1064640377 is about 1021.0985143755.

The spelling of 1064640377 in words is "one billion, sixty-four million, six hundred forty thousand, three hundred seventy-seven".