38387868780 has 48 divisors (see below), whose sum is σ = 107627403744. Its totient is φ = 10223301120.

The previous prime is 38387868773. The next prime is 38387868787. The reversal of 38387868780 is 8786878383.

It is an interprime number because it is at equal distance from previous prime (38387868773) and next prime (38387868787).

It is not an unprimeable number, because it can be changed into a prime (38387868787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374707 + ... + 466026.

It is an arithmetic number, because the mean of its divisors is an integer number (2242237578).

Almost surely, 2^38387868780 is an apocalyptic number.

38387868780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38387868780 is an abundant number, since it is smaller than the sum of its proper divisors (69239534964).

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

38387868780 is a wasteful number, since it uses less digits than its factorization.

38387868780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841506 (or 841504 counting only the distinct ones).

The product of its (nonzero) digits is 86704128, while the sum is 66.

The spelling of 38387868780 in words is "thirty-eight billion, three hundred eighty-seven million, eight hundred sixty-eight thousand, seven hundred eighty".