61872437476 has 12 divisors (see below), whose sum is σ = 108278751280. Its totient is φ = 30935651400.

The previous prime is 61872437467. The next prime is 61872437477. The reversal of 61872437476 is 67473427816.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61872437477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189595 + ... + 399613.

Almost surely, 2^61872437476 is an apocalyptic number.

It is an amenable number.

61872437476 is a deficient number, since it is larger than the sum of its proper divisors (46406313804).

61872437476 is a wasteful number, since it uses less digits than its factorization.

61872437476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283674 (or 283672 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 55.

The spelling of 61872437476 in words is "sixty-one billion, eight hundred seventy-two million, four hundred thirty-seven thousand, four hundred seventy-six".