76685837240 has 16 divisors (see below), whose sum is σ = 172543133880. Its totient is φ = 30674334880.

The previous prime is 76685837237. The next prime is 76685837287. The reversal of 76685837240 is 4273858667.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958572926 + ... + 958573005.

Almost surely, 2^76685837240 is an apocalyptic number.

It is an amenable number.

76685837240 is an abundant number, since it is smaller than the sum of its proper divisors (95857296640).

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

76685837240 is a wasteful number, since it uses less digits than its factorization.

76685837240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917145942 (or 1917145938 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 76685837240 in words is "seventy-six billion, six hundred eighty-five million, eight hundred thirty-seven thousand, two hundred forty".