7671878830 has 64 divisors (see below), whose sum is σ = 18229681152. Its totient is φ = 2250570240.

The previous prime is 7671878807. The next prime is 7671878831. The reversal of 7671878830 is 388781767.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7671878831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279954 + ... + 306133.

It is an arithmetic number, because the mean of its divisors is an integer number (284838768).

Almost surely, 2^7671878830 is an apocalyptic number.

7671878830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7671878830 is an abundant number, since it is smaller than the sum of its proper divisors (10557802322).

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

7671878830 is a wasteful number, since it uses less digits than its factorization.

7671878830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586129.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The square root of 7671878830 is about 87589.2620701876. The cubic root of 7671878830 is about 1972.2739792094.

The spelling of 7671878830 in words is "seven billion, six hundred seventy-one million, eight hundred seventy-eight thousand, eight hundred thirty".