61976086 has 4 divisors (see below), whose sum is σ = 92964132. Its totient is φ = 30988042.

The previous prime is 61976077. The next prime is 61976141. The reversal of 61976086 is 68067916.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15494020 + ... + 15494023.

It is an arithmetic number, because the mean of its divisors is an integer number (23241033).

Almost surely, 2^61976086 is an apocalyptic number.

61976086 is a deficient number, since it is larger than the sum of its proper divisors (30988046).

61976086 is a wasteful number, since it uses less digits than its factorization.

61976086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30988045.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 61976086 is about 7872.4891870361. The cubic root of 61976086 is about 395.7382678543.

The spelling of 61976086 in words is "sixty-one million, nine hundred seventy-six thousand, eighty-six".