76121886 has 32 divisors (see below), whose sum is σ = 164252448. Its totient is φ = 23429120.

The previous prime is 76121867. The next prime is 76121887. The reversal of 76121886 is 68812167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76121887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635 + ... + 12446.

It is an arithmetic number, because the mean of its divisors is an integer number (5132889).

Almost surely, 2^76121886 is an apocalyptic number.

76121886 is an abundant number, since it is smaller than the sum of its proper divisors (88130562).

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

76121886 is a wasteful number, since it uses less digits than its factorization.

76121886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14156.

The product of its digits is 32256, while the sum is 39.

The square root of 76121886 is about 8724.7857280279. The cubic root of 76121886 is about 423.8086794071.

The spelling of 76121886 in words is "seventy-six million, one hundred twenty-one thousand, eight hundred eighty-six".