601959978 has 32 divisors (see below), whose sum is σ = 1345915200. Its totient is φ = 199419408.

The previous prime is 601959977. The next prime is 601959983. The reversal of 601959978 is 879959106.

It is a super-2 number, since 2×601959978² = 724711630227520968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (601959977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25393 + ... + 42996.

It is an arithmetic number, because the mean of its divisors is an integer number (42059850).

Almost surely, 2^601959978 is an apocalyptic number.

601959978 is an abundant number, since it is smaller than the sum of its proper divisors (743955222).

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

601959978 is a wasteful number, since it uses less digits than its factorization.

601959978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563 (or 68557 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 601959978 is about 24534.8726917423. The cubic root of 601959978 is about 844.3500612438.

The spelling of 601959978 in words is "six hundred one million, nine hundred fifty-nine thousand, nine hundred seventy-eight".