76438250020 has 24 divisors (see below), whose sum is σ = 175113082368. Its totient is φ = 27795727200.

The previous prime is 76438250017. The next prime is 76438250027. The reversal of 76438250020 is 2005283467.

It is a super-2 number, since 2×76438250020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76438250027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173723076 + ... + 173723515.

It is an arithmetic number, because the mean of its divisors is an integer number (7296378432).

Almost surely, 2^76438250020 is an apocalyptic number.

It is an amenable number.

76438250020 is an abundant number, since it is smaller than the sum of its proper divisors (98674832348).

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

76438250020 is a wasteful number, since it uses less digits than its factorization.

76438250020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347446611 (or 347446609 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 76438250020 in words is "seventy-six billion, four hundred thirty-eight million, two hundred fifty thousand, twenty".