426978701 has 4 divisors (see below), whose sum is σ = 427046400. Its totient is φ = 426911004.

The previous prime is 426978689. The next prime is 426978707. The reversal of 426978701 is 107879624.

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 a cyclic number.

It is not a de Polignac number, because 426978701 - 2²⁶ = 359869837 is a prime.

It is a super-2 number, since 2×426978701² = 364621622215294802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426978707) 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, 23291 + ... + 37368.

It is an arithmetic number, because the mean of its divisors is an integer number (106761600).

Almost surely, 2^426978701 is an apocalyptic number.

It is an amenable number.

426978701 is a deficient number, since it is larger than the sum of its proper divisors (67699).

426978701 is an equidigital number, since it uses as much as digits as its factorization.

426978701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67698.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 426978701 is about 20663.4629479185. The cubic root of 426978701 is about 753.0123006032.

The spelling of 426978701 in words is "four hundred twenty-six million, nine hundred seventy-eight thousand, seven hundred one".