38996789475 has 48 divisors (see below), whose sum is σ = 75253183488. Its totient is φ = 17447792640.

The previous prime is 38996789449. The next prime is 38996789479. The reversal of 38996789475 is 57498769983.

It is not a de Polignac number, because 38996789475 - 2¹² = 38996785379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 38996789397 and 38996789406.

It is not an unprimeable number, because it can be changed into a prime (38996789479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 765534 + ... + 814883.

It is an arithmetic number, because the mean of its divisors is an integer number (1567774656).

Almost surely, 2^38996789475 is an apocalyptic number.

38996789475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38996789475 is a deficient number, since it is larger than the sum of its proper divisors (36256394013).

38996789475 is a wasteful number, since it uses less digits than its factorization.

38996789475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580484 (or 1580479 counting only the distinct ones).

The product of its digits is 823011840, while the sum is 75.

The spelling of 38996789475 in words is "thirty-eight billion, nine hundred ninety-six million, seven hundred eighty-nine thousand, four hundred seventy-five".