61876667 has 4 divisors (see below), whose sum is σ = 63385896. Its totient is φ = 60367440.

The previous prime is 61876649. The next prime is 61876679. The reversal of 61876667 is 76667816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61876667 - 2⁸ = 61876411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61876637) 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, 754553 + ... + 754634.

It is an arithmetic number, because the mean of its divisors is an integer number (15846474).

Almost surely, 2^61876667 is an apocalyptic number.

61876667 is a deficient number, since it is larger than the sum of its proper divisors (1509229).

61876667 is a wasteful number, since it uses less digits than its factorization.

61876667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509228.

The product of its digits is 508032, while the sum is 47.

The square root of 61876667 is about 7866.1723220382. The cubic root of 61876667 is about 395.5265466243.

The spelling of 61876667 in words is "sixty-one million, eight hundred seventy-six thousand, six hundred sixty-seven".