61959078 has 12 divisors (see below), whose sum is σ = 134244708. Its totient is φ = 20653020.

The previous prime is 61959031. The next prime is 61959089. The reversal of 61959078 is 87095916.

It is a super-2 number, since 2×61959078² = 7677854693220168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1721068 + ... + 1721103.

It is an arithmetic number, because the mean of its divisors is an integer number (11187059).

Almost surely, 2^61959078 is an apocalyptic number.

61959078 is an abundant number, since it is smaller than the sum of its proper divisors (72285630).

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

61959078 is a wasteful number, since it uses less digits than its factorization.

61959078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442179 (or 3442176 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 61959078 is about 7871.4088954901. The cubic root of 61959078 is about 395.7020639317.

The spelling of 61959078 in words is "sixty-one million, nine hundred fifty-nine thousand, seventy-eight".