401074977 has 4 divisors (see below), whose sum is σ = 534766640. Its totient is φ = 267383316.

The previous prime is 401074969. The next prime is 401074981. The reversal of 401074977 is 779470104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 401074977 - 2³ = 401074969 is a prime.

It is a super-3 number, since 3×401074977³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401074907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66845827 + ... + 66845832.

It is an arithmetic number, because the mean of its divisors is an integer number (133691660).

Almost surely, 2^401074977 is an apocalyptic number.

It is an amenable number.

401074977 is a deficient number, since it is larger than the sum of its proper divisors (133691663).

401074977 is a wasteful number, since it uses less digits than its factorization.

401074977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133691662.

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

The square root of 401074977 is about 20026.8563933534. The cubic root of 401074977 is about 737.4657508561.

It can be divided in two parts, 4010 and 74977, that added together give a palindrome (78987).

The spelling of 401074977 in words is "four hundred one million, seventy-four thousand, nine hundred seventy-seven".