61880486 has 4 divisors (see below), whose sum is σ = 92820732. Its totient is φ = 30940242.

The previous prime is 61880477. The next prime is 61880501. The reversal of 61880486 is 68408816.

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, 15470120 + ... + 15470123.

It is an arithmetic number, because the mean of its divisors is an integer number (23205183).

Almost surely, 2^61880486 is an apocalyptic number.

61880486 is a deficient number, since it is larger than the sum of its proper divisors (30940246).

61880486 is a wasteful number, since it uses less digits than its factorization.

61880486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30940245.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 61880486 is about 7866.4150665980. The cubic root of 61880486 is about 395.5346836970.

The spelling of 61880486 in words is "sixty-one million, eight hundred eighty thousand, four hundred eighty-six".