11678739432 has 32 divisors (see below), whose sum is σ = 29548622880. Its totient is φ = 3846009920.

The previous prime is 11678739431. The next prime is 11678739433. The reversal of 11678739432 is 23493787611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11678739431) and next prime (11678739433).

It is a super-3 number, since 3×11678739432³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11678739431) 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, 2929419 + ... + 2933402.

It is an arithmetic number, because the mean of its divisors is an integer number (923394465).

Almost surely, 2^11678739432 is an apocalyptic number.

11678739432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11678739432 is an abundant number, since it is smaller than the sum of its proper divisors (17869883448).

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

11678739432 is a wasteful number, since it uses less digits than its factorization.

11678739432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862913 (or 5862909 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 51.

The spelling of 11678739432 in words is "eleven billion, six hundred seventy-eight million, seven hundred thirty-nine thousand, four hundred thirty-two".