61376887 has 12 divisors (see below), whose sum is σ = 72655240. Its totient is φ = 51503760.

The previous prime is 61376879. The next prime is 61376911. The reversal of 61376887 is 78867316.

It is not a de Polignac number, because 61376887 - 2³ = 61376879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61376837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17937 + ... + 21082.

Almost surely, 2^61376887 is an apocalyptic number.

61376887 is a deficient number, since it is larger than the sum of its proper divisors (11278353).

61376887 is a wasteful number, since it uses less digits than its factorization.

61376887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39054 (or 39043 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 61376887 is about 7834.3402402500. The cubic root of 61376887 is about 394.4587727182.

The spelling of 61376887 in words is "sixty-one million, three hundred seventy-six thousand, eight hundred eighty-seven".