7611986064 has 40 divisors (see below), whose sum is σ = 19709145280. Its totient is φ = 2531541888.

The previous prime is 7611986023. The next prime is 7611986069. The reversal of 7611986064 is 4606891167.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7611986069) 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, 159547 + ... + 201690.

It is an arithmetic number, because the mean of its divisors is an integer number (492728632).

Almost surely, 2^7611986064 is an apocalyptic number.

It is an amenable number.

7611986064 is an abundant number, since it is smaller than the sum of its proper divisors (12097159216).

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

7611986064 is a wasteful number, since it uses less digits than its factorization.

7611986064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361687 (or 361681 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 7611986064 is about 87246.6965792975. The cubic root of 7611986064 is about 1967.1281872841.

The spelling of 7611986064 in words is "seven billion, six hundred eleven million, nine hundred eighty-six thousand, sixty-four".