76428315738 has 48 divisors (see below), whose sum is σ = 168558006240. Its totient is φ = 25021013472.

The previous prime is 76428315737. The next prime is 76428315739. The reversal of 76428315738 is 83751382467.

It is a happy number.

76428315738 is a `hidden beast` number, since 7 + 64 + 2 + 8 + 3 + 1 + 573 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (76428315737) and next prime (76428315739).

It is not an unprimeable number, because it can be changed into a prime (76428315731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1127845 + ... + 1193687.

It is an arithmetic number, because the mean of its divisors is an integer number (3511625130).

Almost surely, 2^76428315738 is an apocalyptic number.

76428315738 is an abundant number, since it is smaller than the sum of its proper divisors (92129690502).

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

76428315738 is a wasteful number, since it uses less digits than its factorization.

76428315738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67003 (or 67000 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 76428315738 in words is "seventy-six billion, four hundred twenty-eight million, three hundred fifteen thousand, seven hundred thirty-eight".