7677621006020 has 72 divisors (see below), whose sum is σ = 19858586141016. Its totient is φ = 2477484420096.

The previous prime is 7677621006019. The next prime is 7677621006059. The reversal of 7677621006020 is 206001267767.

It can be written as a sum of positive squares in 4 ways, for example, as 4344856762624 + 3332764243396 = 2084432^2 + 1825586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230404139 + ... + 230437458.

It is an arithmetic number, because the mean of its divisors is an integer number (275813696403).

Almost surely, 2^{7677621006020} is an apocalyptic number.

7677621006020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7677621006020 is an abundant number, since it is smaller than the sum of its proper divisors (12180965134996).

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

7677621006020 is a wasteful number, since it uses less digits than its factorization.

7677621006020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460841637 (or 460841628 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 7677621006020 in words is "seven trillion, six hundred seventy-seven billion, six hundred twenty-one million, six thousand, twenty".