10377778620 has 48 divisors (see below), whose sum is σ = 31699398528. Its totient is φ = 2515824960.

The previous prime is 10377778613. The next prime is 10377778651. The reversal of 10377778620 is 2687777301.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10377778620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7861294 + ... + 7862613.

It is an arithmetic number, because the mean of its divisors is an integer number (660404136).

Almost surely, 2^10377778620 is an apocalyptic number.

10377778620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10377778620 is an abundant number, since it is smaller than the sum of its proper divisors (21321619908).

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

10377778620 is a wasteful number, since it uses less digits than its factorization.

10377778620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15723930 (or 15723928 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 48.

The spelling of 10377778620 in words is "ten billion, three hundred seventy-seven million, seven hundred seventy-eight thousand, six hundred twenty".