46779798387 has 18 divisors (see below), whose sum is σ = 72560489508. Its totient is φ = 26729814888.

The previous prime is 46779798379. The next prime is 46779798397. The reversal of 46779798387 is 78389797764.

46779798387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46779798387 - 2³ = 46779798379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (46779798397) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2613414 + ... + 2631252.

It is an arithmetic number, because the mean of its divisors is an integer number (4031138306).

Almost surely, 2^46779798387 is an apocalyptic number.

46779798387 is a deficient number, since it is larger than the sum of its proper divisors (25780691121).

46779798387 is an frugal number, since it uses more digits than its factorization.

46779798387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35695 (or 17849 counting only the distinct ones).

The product of its digits is 896168448, while the sum is 75.

Multiplying 46779798387 by its sum of digits (75), we get a square (3508484879025 = 1873095²).

The spelling of 46779798387 in words is "forty-six billion, seven hundred seventy-nine million, seven hundred ninety-eight thousand, three hundred eighty-seven".