61930077 has 8 divisors (see below), whose sum is σ = 90080160. Its totient is φ = 37533360.

The previous prime is 61930009. The next prime is 61930087. The reversal of 61930077 is 77003916.

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

It is not a de Polignac number, because 61930077 - 2¹⁴ = 61913693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1876669 = 61930077 / (6 + 1 + 9 + 3 + 0 + 0 + 7 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61930087) 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, 938302 + ... + 938367.

It is an arithmetic number, because the mean of its divisors is an integer number (11260020).

Almost surely, 2^61930077 is an apocalyptic number.

It is an amenable number.

61930077 is a deficient number, since it is larger than the sum of its proper divisors (28150083).

61930077 is a wasteful number, since it uses less digits than its factorization.

61930077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876683.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 61930077 is about 7869.5665064856. The cubic root of 61930077 is about 395.6403159368.

The spelling of 61930077 in words is "sixty-one million, nine hundred thirty thousand, seventy-seven".