61877952 has 56 divisors (see below), whose sum is σ = 181914800. Its totient is φ = 20625408.

The previous prime is 61877951. The next prime is 61877987. The reversal of 61877952 is 25977816.

It is a junction number, because it is equal to n+sod(n) for n = 61877898 and 61877907.

It is not an unprimeable number, because it can be changed into a prime (61877951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16177 + ... + 19632.

Almost surely, 2^61877952 is an apocalyptic number.

It is an amenable number.

61877952 is an abundant number, since it is smaller than the sum of its proper divisors (120036848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61877952 is a wasteful number, since it uses less digits than its factorization.

61877952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35830 (or 35814 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 61877952 is about 7866.2540004757. The cubic root of 61877952 is about 395.5292845874.

The spelling of 61877952 in words is "sixty-one million, eight hundred seventy-seven thousand, nine hundred fifty-two".