61087377 has 8 divisors (see below), whose sum is σ = 87715264. Its totient is φ = 37592208.

The previous prime is 61087373. The next prime is 61087387. The reversal of 61087377 is 77378016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61087377 - 2² = 61087373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1566343 = 61087377 / (6 + 1 + 0 + 8 + 7 + 3 + 7 + 7).

It is not an unprimeable number, because it can be changed into a prime (61087373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783133 + ... + 783210.

It is an arithmetic number, because the mean of its divisors is an integer number (10964408).

Almost surely, 2^61087377 is an apocalyptic number.

It is an amenable number.

61087377 is a deficient number, since it is larger than the sum of its proper divisors (26627887).

61087377 is a wasteful number, since it uses less digits than its factorization.

61087377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566359.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 61087377 is about 7815.8414134372. The cubic root of 61087377 is about 393.8375845478.

The spelling of 61087377 in words is "sixty-one million, eighty-seven thousand, three hundred seventy-seven".