61797958 has 16 divisors (see below), whose sum is σ = 98807904. Its totient is φ = 28886400.

The previous prime is 61797949. The next prime is 61797959. The reversal of 61797958 is 85979716.

It is a happy number.

It is a super-2 number, since 2×61797958² = 7637975225939528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61797959) 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, 885 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (6175494).

Almost surely, 2^61797958 is an apocalyptic number.

61797958 is a deficient number, since it is larger than the sum of its proper divisors (37009946).

61797958 is a wasteful number, since it uses less digits than its factorization.

61797958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12207.

The product of its digits is 952560, while the sum is 52.

The square root of 61797958 is about 7861.1677249630. The cubic root of 61797958 is about 395.3587682038.

The spelling of 61797958 in words is "sixty-one million, seven hundred ninety-seven thousand, nine hundred fifty-eight".