7707463820 has 192 divisors, whose sum is σ = 19474560000. Its totient is φ = 2560255488.

The previous prime is 7707463817. The next prime is 7707463831. The reversal of 7707463820 is 283647077.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55449311 + ... + 55449449.

It is an arithmetic number, because the mean of its divisors is an integer number (101430000).

Almost surely, 2^7707463820 is an apocalyptic number.

7707463820 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7707463820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9737280000).

7707463820 is an abundant number, since it is smaller than the sum of its proper divisors (11767096180).

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

7707463820 is a wasteful number, since it uses less digits than its factorization.

7707463820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The square root of 7707463820 is about 87792.1626342580. The cubic root of 7707463820 is about 1975.3186534930.

The spelling of 7707463820 in words is "seven billion, seven hundred seven million, four hundred sixty-three thousand, eight hundred twenty".