60778856820 has 96 divisors (see below), whose sum is σ = 185715411840. Its totient is φ = 14729218560.

The previous prime is 60778856791. The next prime is 60778856837. The reversal of 60778856820 is 2865887706.

It is a happy number.

60778856820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2132826 + ... + 2161134.

It is an arithmetic number, because the mean of its divisors is an integer number (1934535540).

Almost surely, 2^60778856820 is an apocalyptic number.

60778856820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60778856820 is an abundant number, since it is smaller than the sum of its proper divisors (124936555020).

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

60778856820 is a wasteful number, since it uses less digits than its factorization.

60778856820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31585 (or 31583 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 60778856820 in words is "sixty billion, seven hundred seventy-eight million, eight hundred fifty-six thousand, eight hundred twenty".