75677710020 has 144 divisors (see below), whose sum is σ = 236390046144. Its totient is φ = 18072172800.

The previous prime is 75677710001. The next prime is 75677710091. The reversal of 75677710020 is 2001777657.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408630 + ... + 564210.

Almost surely, 2^75677710020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75677710020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118195023072).

75677710020 is an abundant number, since it is smaller than the sum of its proper divisors (160712336124).

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

75677710020 is a wasteful number, since it uses less digits than its factorization.

75677710020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155682 (or 155669 counting only the distinct ones).

The product of its (nonzero) digits is 144060, while the sum is 42.

The spelling of 75677710020 in words is "seventy-five billion, six hundred seventy-seven million, seven hundred ten thousand, twenty".